diff --git a/rtdata/themes/TooWaBlue-Dark-GTK3-20_.css b/rtdata/themes/TooWaBlue-Dark-GTK3-20_.css
index 43d9a3035..9472f4b3d 100644
--- a/rtdata/themes/TooWaBlue-Dark-GTK3-20_.css
+++ b/rtdata/themes/TooWaBlue-Dark-GTK3-20_.css
@@ -2,7 +2,7 @@
   This file is part of RawTherapee.
 
   Copyright (c) 2016-2017 TooWaBoo
-  Version 2.42 - requires RT 5.0
+  Version 2.44 - requires RT 5.0
 
   RawTherapee is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -105,7 +105,7 @@ messagedialog {
 }
 tooltip {
     background-color: @bg-tooltip;
-    border: 1px solid @border-tooltip;
+    border: 0.08334em solid @border-tooltip;
     border-radius: 0.33334em;
     padding: 0;
     margin: 0;
@@ -180,7 +180,7 @@ frame > border {
 dialog frame > border {
     padding: 0.5em;
     border-radius: 0;
-    border: 1px solid @border-color;
+    border: 0.08334em solid @border-color;
     background-color: transparent;
     margin: 0 -0.5em;
 }
@@ -241,11 +241,11 @@ textview:selected, treeview:selected {
 }
 
 #RightNotebook > stack > :nth-child(3) treeview {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     border-bottom: none;
 }
 
-#PlacesPaned > :nth-child(1) treeview {
+#PlacesPaned > box:nth-child(1) treeview {
     padding: 0.08334em 0 0.08334em 0.5em;
     -gtk-icon-style: symbolic;
 }
@@ -275,15 +275,15 @@ textview:selected, treeview:selected {
     margin-bottom: 0.41667em;
 }
 
-#PlacesPaned > box:nth-child(3) > :nth-child(2),
+#PlacesPaned > box:nth-child(3) > box:nth-child(2),
 #PlacesPaned > box:nth-child(1) > :nth-child(1),
 #HistoryPanel > border,
 #Snapshots > box > :nth-child(1) {
-    padding: 1px;
     background-color: @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
 }
 
-/*Corrects the space for the snapshot view of the paned separator*/
+/*Corrects the space of the snapshot view to the paned separator*/
 #Snapshots {
     margin-top: -0.33334em;
 }
@@ -321,11 +321,11 @@ filechooser box {
 }
 
 filechooser > box > paned > box {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     background-color: @bg-dark-grey;
 }
 filechooser placessidebar {
-    padding: 0 1px;
+    padding: 0 0.08334em;
     background-color: @bg-dark-grey;
 }
 
@@ -362,7 +362,7 @@ filechooser list row:selected {
 }
 #HistogramArea,
 #HistogramRGBArea {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     background-color: @bg-dark-grey;
 }
 
@@ -372,7 +372,7 @@ filechooser list row:selected {
     margin: 0;
     border-color: @bg-light-grey;
     border-style: solid;
-    border-width: 0 0 0 1px;
+    border-width: 0 0 0 0.08334em;
     background-color: @bg-dark-grey;
     background-image: none;
     box-shadow: none;
@@ -385,7 +385,7 @@ filechooser list row:selected {
 }
 #EditorLeftPaned #fullButton,
 #EditorLeftPaned #histButton {
-    border-width: 0 1px 0 0;
+    border-width: 0 0.08334em 0 0;
 }
 /*** end ***************************************************************************************/
 
@@ -467,8 +467,8 @@ menu separator {
 
 /*** PartialPaste ******************************************************************************/
 #PartialPaste {
-    border-bottom: 1px solid @border-color;
-    border-top: 1px solid @border-color;
+    border-bottom: 0.08334em solid @border-color;
+    border-top: 0.08334em solid @border-color;
     padding-top: 0.5em;
     padding-bottom: 0.5em;
 }
@@ -518,10 +518,10 @@ scrollbar:not(.overlay-indicator) {
     background-color: rgba(0,0,0,.30);
 }
 scrollbar:not(.overlay-indicator).horizontal {
-    border-width: 0 1px 1px 1px;
+    border-width: 0 0.08334em 0.08334em 0.08334em;
 }
 scrollbar:not(.overlay-indicator).vertical {
-    border-width: 1px 1px 1px 0;
+    border-width: 0.08334em 0.08334em 0.08334em 0;
 }
 scrollbar:not(.overlay-indicator) slider {
     background-color: shade(@text-color, .9);
@@ -593,7 +593,7 @@ scale slider {
     margin: calc(-0.33334em - 1px);
     border-radius: 0.83334em;
     background-image: linear-gradient(to bottom, shade (@accent-color4,1.15), shade (@accent-color4,.85));
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     box-shadow: none;
 }
 scale slider:hover {
@@ -603,14 +603,14 @@ scale slider:hover {
 scale trough {
     margin: 0.5em; /* has to be half of "scale slider / min-width min-height*/
     background-color: @bg-scale-entry;
-    border-color: @bg-dark-grey;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.11), 0 1px rgba(242, 242, 242, 0.11);
+    border: 0.08334em solid @bg-dark-grey;
+    box-shadow: inset 0 0.08334em rgba(255, 255, 255, 0.11), 0 0.08334em rgba(242, 242, 242, 0.11);
     border-radius: 0.5em;
 }
 scale:not(:disabled) trough highlight {
     background-color: @accent-color2;
-    border-color: @bg-dark-grey;
-    box-shadow: inset 0 1px shade(@accent-color2, 1.3);
+    border: 0.08334em solid @bg-dark-grey;
+    box-shadow: inset 0 0.08334em shade(@accent-color2, 1.3);
     border-radius: 0.5em;
 }
 
@@ -671,7 +671,7 @@ progressbar.horizontal trough progress {
 #IopsPanel progressbar.horizontal trough {
     min-height: 0.5em;
     background-color: @bg-scale-entry;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     margin-top: 0.25em;
 }
 #IopsPanel progressbar.horizontal trough progress {
@@ -770,8 +770,9 @@ dialog notebook stack {
 #MainNotebook > stack {
     padding: 0.41667em;
 }
-#MainNotebook > stack > :nth-child(2) > :nth-child(2) {
-    margin-bottom: 0.33334em;
+
+#MainNotebook > stack > :nth-child(2) > box:nth-child(3) {
+    margin-top: 0.41667em;
 }
 
 
@@ -801,10 +802,11 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     background-color: @bg-grey;
     padding: 0;
 }
-#RightNotebook > stack > :nth-child(3),
-#RightNotebook > stack > :nth-child(4) {
+
+#RightNotebook > stack > :nth-child(3) > * > box,
+#RightNotebook > stack > :nth-child(4) > * > box {
     padding: 0.5em;
-    border: 1px solid @bg-entry-border;
+    border: 0.08334em solid @bg-entry-border;
 }
 
 #PrefNotebook header {
@@ -813,8 +815,9 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 #AboutNotebook header {
     margin: -0.66667em -0.66667em 0.66667em;
 }
-#AboutNotebook stack > * > * > * {
-    background-color: @dark-grey;
+
+#AboutNotebook stack text {
+    background-color: @bg-dark-grey;
 }
 
 /* All tool panels have a frame except for Meta which unlike the rest is a notebook itself.
@@ -873,7 +876,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     margin: 0;
 }
 #MetaPanelNotebook .view {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     padding: 0.16667em;
     margin: 0;
 }
@@ -894,8 +897,8 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     min-width: 1.66667em;
 }
 #MetaPanelNotebook > stack > box > grid > button {
-    margin-top: 1px;
-    margin-bottom: 1px;
+    margin-top: 0.08334em;
+    margin-bottom: 0.08334em;
     min-height: 2.16667em;
 }
 
@@ -908,7 +911,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 /*** File Browser ******************************************************************************/
 #FileCatalog {
     background-color: @bg-image;
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
 }
 #FileCatalog:selected {
     background-color: @accent-color3;
@@ -949,7 +952,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     min-width: 1.66667em;
     margin: 0 0 0 -1.66667em;
     border-radius: 0 0.2em 0.2em 0;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     padding: 0;
 }
 #ToolBarPanelFileBrowser entry,
@@ -972,25 +975,17 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 
 #BeforeAfterContainer {
     background-color: @bg-grey;
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     border-radius: 0;
     padding: 0;
     margin: 0.41667em 0;
 }
-#BeforeAfterContainer > box:nth-child(1) frame {
-    background-color: @bg-image;
-    border-top: 1px solid @bg-dark-grey;
-    border-radius: 0;
-    padding: 0;
-    margin: -1px 0 0 0;
+#BeforeAfterContainer > box:nth-child(2) > box:nth-child(2),
+#BeforeAfterContainer > box:nth-child(1) > box:nth-child(2){
+    border-top: 0.08334em solid @bg-dark-grey;
 }
-#BeforeAfterContainer > box:nth-child(2) frame {
-    background-color: @bg-image;
-    border-top: 1px solid @bg-dark-grey;
-    border-left: 1px solid @bg-dark-grey;
-    border-radius: 0;
-    padding: 0;
-    margin: -1px 0 0 0;
+#BeforeAfterContainer > box:nth-child(2){
+    border-left: 0.08334em solid @bg-dark-grey;
 }
 
 #BeforeAfterContainer label {
@@ -1000,8 +995,8 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 /* Small Lock Button */
 #BeforeAfterContainer button {
     min-height: 1.66667em;
-    min-width: 1.66667em;
-    margin: 0.25em 0 0.33334em;
+    min-width: 1.75em;
+    margin: 0.25em;
     padding: 0 0 0 0.08334em;
 }
 /**/
@@ -1034,7 +1029,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     min-width: 0;
     margin: 0 0.16667em;
     padding: 0 0.16667em;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     background-color: transparent;
     background-image: none;
     box-shadow: none;
@@ -1042,13 +1037,13 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 #EditorTopPanel > box > box > button:hover {
     background-color: transparent;
     background-image: none;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     box-shadow: none;
 }
 #EditorTopPanel > box > box > button:checked {
     background-color: transparent;
     background-image: none;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     box-shadow: none;
 }
 
@@ -1077,13 +1072,13 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 }
 /**/
 #MyExpander .drawingarea:not(.slider) {
-    border: 1px solid @bg-light-grey;
+    border: 0.08334em solid @bg-light-grey;
 }
 #MyExpander .slider,
 #MyExpander .drawingarea:nth-child(2) {
     background-image: linear-gradient(to bottom, shade (@accent-color4,1.15), shade (@accent-color4,.85));
     background-color: @accent-color4;
-    border: 1px solid rgb(15,15,15);
+    border: 0.08334em solid rgb(15,15,15);
 }
 #MyExpander .drawingarea:disabled {
     background-color: shade(@bg-grey,.85);
@@ -1114,7 +1109,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     /* Sub-tool (MyExpander) */
 #ExpanderBox2 > box, #ExpanderBox2 > grid {
     background-color: transparent;
-    border: 1px solid @border-color;
+    border: 0.08334em solid @border-color;
     border-radius: 0;
     margin: 0;
     padding: 0.5em;
@@ -1143,13 +1138,13 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     border: none;
     padding: 0;
     margin: 0;
-    box-shadow: 0 3px 9px 1px rgba(0, 0, 0, 0.50), 0 0 0 1px @bg-dark-grey;
+    box-shadow: 0 0.25em 0.75em 0.08334em rgba(0, 0, 0, 0.50), 0 0 0 0.08334em @bg-dark-grey;
 }
 
 menu {
     background-color: @bg-dark-grey;
-    border: 1px solid @accent-color;
-    padding: 1px;
+    border: 0.08334em solid @accent-color;
+    padding: 0.08334em;
     margin: 0;
 }
 menu > .top,
@@ -1159,12 +1154,12 @@ menu > .bottom:hover {
     background-color: transparent;
     border: none;
     padding: 0.5em;
-    min-height: 2em;
+    min-height: 1.5em;
 }
 
 menuitem {
     padding: 0 0.33334em;
-    margin: 1px;
+    margin: 0.08334em;
     min-height: 2em;
 }
 menuitem:hover {
@@ -1187,11 +1182,11 @@ entry > window > frame {
 }
 entry > window > frame > border {
     background-color: @bg-dark-grey;
-    padding: 1px;
-    border: 1px solid @accent-color;
+    padding: 0.08334em;
+    border: 0.08334em solid @accent-color;
 }
 .csd entry > window > frame > border {
-    margin: 1px;
+    margin: 0.08334em;
 }
 /* end */
 
@@ -1203,7 +1198,7 @@ entry > window > frame > border {
 }
 popover.background {
     background-color: @bg-dark-grey;
-    border-color: @accent-color;
+    border: 0.08334em solid  @accent-color;
     border-radius: 0;
     padding: 0;
     margin: 0;
@@ -1236,9 +1231,9 @@ button {
     margin: 0;
     padding: 0; /* x */
     border-radius: 0.2em;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     background-color: transparent;
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.1);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.1);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
 }
 button.flat {
@@ -1250,7 +1245,7 @@ button.text-button label {
 
 #MainNotebook > header > grid > button,
 button.flat {
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     box-shadow: none;
     background-image: none;
     background-color: transparent;
@@ -1301,7 +1296,7 @@ scale + button.flat {
 button.flat:hover,
 button:hover  {
     border-color: @bg-button-border;
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.1);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.1);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: @bg-button-hover;
 }
@@ -1313,7 +1308,7 @@ button.flat:checked,
 button:active,
 button:checked {
     border-color: @bg-button-border;
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.08);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.08);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: @bg-button-active;
 }
@@ -1322,7 +1317,7 @@ button:checked {
 button.Right,
 button.MiddleH {
     margin-left: 0.16667em;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
 }
 /**/
 
@@ -1364,9 +1359,10 @@ dialog combobox .combo,
 #MyExpander button:not(.flat).Left,
 #MyExpander button:not(.flat) + combobox,
 #MyExpander combobox + button:not(.flat),
-#MyExpander combobox + combobox,
+#MyExpander combobox + combobox
+/* Crash
 #MyExpander button + label,
-#MyExpander combobox + label {
+#MyExpander combobox + label */ {
     margin-left: 0.16667em;
 }
 #MyExpander label + filechooserbutton,
@@ -1453,7 +1449,7 @@ window .view button {
     background-image: none;
     box-shadow: none;
     min-height: 2em;
-     min-width: 1.33334em;
+    min-width: 1.33334em;
     padding: 0 0.33334em;
 }
 dialog .view button.text-button label,
@@ -1462,20 +1458,21 @@ window .view button.text-button label {
 }
 window .view button {
     border: none;
-    border-bottom: 1px solid @border-color;
+    border-bottom: 0.08334em solid @border-color;
 }
 dialog .view button {
-    border-color: @border-color;
+    border: 0.08334em solid @border-color;
 }
 
-.view button:checked label,
 .view button:checked,
-.view button:hover:not(:active) label,
 .view button:hover:not(:active) {
-    color: @headline-hl;
     background-image: none;
     background-color: @bg-list-hover;
 }
+.view button:checked label,
+.view button:hover:not(:active) label {
+    color: @headline-hl;
+}
 
 dialog .view header button:not(:last-child):not(:only-child),
 window .view header button:not(:last-child):not(:only-child),
@@ -1517,7 +1514,7 @@ window .view header button,
 popover button.text-button {
     background-color: @bg-dark-grey;
     background-image: none;
-    border: 1px solid @border-color;
+    border: 0.08334em solid @border-color;
     box-shadow: none;
     background-image: none;
     margin: 0;
@@ -1559,7 +1556,7 @@ headerbar button.titlebutton image {
 headerbar button.titlebutton {
     margin: 0 0 0 0.33334em;
     background-image: none;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     background-color: transparent;
     box-shadow: none;
     min-width: 1.55em;
@@ -1582,14 +1579,14 @@ messagedialog headerbar button.titlebutton {
 #MainNotebook tab #CloseButton:hover,
 headerbar button.titlebutton:hover{
     border-color: rgba(0,0,0,.8);
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.11);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.11);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: rgba(128, 128, 128,.20);
 }
 #MainNotebook > header > grid > button:active,
 headerbar button.titlebutton:active{
     border-color: rgba(0,0,0,.8);
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.15);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.15);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: rgba(128, 128, 128,.40);
 }
@@ -1597,13 +1594,13 @@ headerbar button.titlebutton:active{
 headerbar button.titlebutton.close:hover{
     border-color: rgba(0,0,0,.8);
     background-image: linear-gradient(to bottom, rgb(180,0,0), rgb(160,0,0) 40%, rgb(130,0,0));
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.32);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.32);
 }
 #MainNotebook tab #CloseButton:active,
 headerbar button.titlebutton.close:active{
     border-color: rgba(0,0,0,.8);
     background-image: linear-gradient(to bottom, rgb(215,0,0), rgb(185,0,0) 40%, rgb(150,0,0));
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.4);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.4);
 }
 /**/
 
@@ -1642,14 +1639,6 @@ checkbutton label {
 check {
     border-radius: 0.16667em;
 }
-check:checked {
-    padding: 0 2px 0 0;
-    min-width: calc(1.16667em - 2px);
-}
-check:indeterminate {
-    min-width: 1.16667em;
-    padding: 0;
-}
 
 radio{
     border-radius: 1.16667em;
@@ -1676,7 +1665,7 @@ frame > checkbutton check{
 }
 #PrefNotebook stack > box:nth-child(3) checkbutton,
 #PrefNotebook stack > box:nth-child(4) checkbutton {
-    min-height: 2em;
+    min-height: 1.83334em;
 }
 #PrefNotebook radiobutton {
     min-height: 2em;
@@ -1696,8 +1685,8 @@ entry {
     min-height: 1.66667em;
     min-width: 0;
     border-radius: 0.2em;
-    box-shadow: inset 1px 1px rgba(0, 0, 0, 0.08), 0 1px rgba(242, 242, 242, 0.1);
-    border: 1px solid @bg-entry-border;
+    box-shadow: inset 0.08334em 0.08334em rgba(0, 0, 0, 0.08), 0 0.08334em rgba(242, 242, 242, 0.1);
+    border: 0.08334em solid @bg-entry-border;
     background-color: @bg-scale-entry;
 }
 
@@ -1708,8 +1697,8 @@ spinbutton {
     min-width: 0;
     border-radius: 0.2em;
     background-color: @bg-scale-entry;
-    border: 1px solid @bg-entry-border;
-    box-shadow: inset 1px 1px rgba(0, 0, 0, 0.08), 0 1px rgba(242, 242, 242, 0.1);
+    border: 0.08334em solid @bg-entry-border;
+    box-shadow: inset 0.08334em 0.08334em rgba(0, 0, 0, 0.08), 0 0.08334em rgba(242, 242, 242, 0.1);
 }
 
 #MyExpander spinbutton {
@@ -1720,9 +1709,9 @@ spinbutton {
     border-top-left-radius: 1.83334em;
     border-bottom-left-radius: 1.83334em;
     background-color: shade(@bg-grey, 1.33);
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     color: @text-tbEntry;
-    box-shadow: inset 1px  1px rgba(0, 0, 0, .12), 0 1px rgba(255, 255, 255, 0.12);
+    box-shadow: inset 0.08334em  0.08334em rgba(0, 0, 0, .12), 0 0.08334em rgba(255, 255, 255, 0.12);
 }
 #MyExpander button + label + spinbutton {
     margin: 0.25em 0; /* Needed for Reset & and Auto button height*/
@@ -1808,7 +1797,7 @@ entry:focus > selection  {
 .view entry {
     background-color: @bg-dark-grey;
     margin: 0 -2px;
-    border: 1px solid @accent-color;
+    border: 0.08334em solid @accent-color;
     box-shadow: none;
 }
     /* end*/
@@ -1822,14 +1811,14 @@ entry:focus > selection  {
     border-radius: 0.41667em 0.41667em 0 0;
     border: none;
     padding: 0;
-    box-shadow: 0 0.25em 0.75em 1px rgba(0, 0, 0, 0.5), 0 0 0 1px @bg-dark-grey;
+    box-shadow: 0 0.25em 0.75em 0.08334em rgba(0, 0, 0, 0.5), 0 0 0 0.08334em @bg-dark-grey;
     margin: 0.83334em;
 }
 headerbar {
     background-color: shade(@winHeaderbar,1.12);
-    box-shadow: inset 0 1px rgba(200,200,200,.13);
+    box-shadow: inset 0 0.08334em rgba(200,200,200,.13);
     background-image: linear-gradient(shade(@winHeaderbar,1.14), shade(@winHeaderbar,.86));
-    border-bottom: 1px solid @bg-dark-grey;
+    border-bottom: 0.08334em solid @bg-dark-grey;
     border-radius: 0.41667em 0.41667em 0 0;
     min-height: 2.16667em;
     padding: 0.08334em 0.41667em 0;
@@ -1851,7 +1840,7 @@ headerbar .title{
 
 /* Window in background */
 :not(.popup):not(tooltip) > decoration:backdrop {
-    box-shadow: 0 0.25em 0.75em 1px rgba(0, 0, 0, 0.3), 0 0 0 1px @bg-dark-grey;
+    box-shadow: 0 0.25em 0.75em 0.08334em rgba(0, 0, 0, 0.3), 0 0 0 0.08334em @bg-dark-grey;
 }
 headerbar:backdrop {
     box-shadow: none;
diff --git a/rtdata/themes/TooWaBlue-GTK3-20_.css b/rtdata/themes/TooWaBlue-GTK3-20_.css
index e1a7e84c2..679a8ed13 100644
--- a/rtdata/themes/TooWaBlue-GTK3-20_.css
+++ b/rtdata/themes/TooWaBlue-GTK3-20_.css
@@ -2,7 +2,7 @@
   This file is part of RawTherapee.
 
   Copyright (c) 2016-2017 TooWaBoo
-  Version 2.42 - requires RT 5.0
+  Version 2.44 - requires RT 5.0
 
   RawTherapee is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -105,7 +105,7 @@ messagedialog {
 }
 tooltip {
     background-color: @bg-tooltip;
-    border: 1px solid @border-tooltip;
+    border: 0.08334em solid @border-tooltip;
     border-radius: 0.33334em;
     padding: 0;
     margin: 0;
@@ -180,7 +180,7 @@ frame > border {
 dialog frame > border {
     padding: 0.5em;
     border-radius: 0;
-    border: 1px solid @border-color;
+    border: 0.08334em solid @border-color;
     background-color: transparent;
     margin: 0 -0.5em;
 }
@@ -241,11 +241,11 @@ textview:selected, treeview:selected {
 }
 
 #RightNotebook > stack > :nth-child(3) treeview {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     border-bottom: none;
 }
 
-#PlacesPaned > :nth-child(1) treeview {
+#PlacesPaned > box:nth-child(1) treeview {
     padding: 0.08334em 0 0.08334em 0.5em;
     -gtk-icon-style: symbolic;
 }
@@ -275,15 +275,15 @@ textview:selected, treeview:selected {
     margin-bottom: 0.41667em;
 }
 
-#PlacesPaned > box:nth-child(3) > :nth-child(2),
+#PlacesPaned > box:nth-child(3) > box:nth-child(2),
 #PlacesPaned > box:nth-child(1) > :nth-child(1),
 #HistoryPanel > border,
 #Snapshots > box > :nth-child(1) {
-    padding: 1px;
     background-color: @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
 }
 
-/*Corrects the space for the snapshot view of the paned separator*/
+/*Corrects the space of the snapshot view to the paned separator*/
 #Snapshots {
     margin-top: -0.33334em;
 }
@@ -321,11 +321,11 @@ filechooser box {
 }
 
 filechooser > box > paned > box {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     background-color: @bg-dark-grey;
 }
 filechooser placessidebar {
-    padding: 0 1px;
+    padding: 0 0.08334em;
     background-color: @bg-dark-grey;
 }
 
@@ -362,7 +362,7 @@ filechooser list row:selected {
 }
 #HistogramArea,
 #HistogramRGBArea {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     background-color: @bg-dark-grey;
 }
 
@@ -372,7 +372,7 @@ filechooser list row:selected {
     margin: 0;
     border-color: @bg-light-grey;
     border-style: solid;
-    border-width: 0 0 0 1px;
+    border-width: 0 0 0 0.08334em;
     background-color: @bg-dark-grey;
     background-image: none;
     box-shadow: none;
@@ -385,7 +385,7 @@ filechooser list row:selected {
 }
 #EditorLeftPaned #fullButton,
 #EditorLeftPaned #histButton {
-    border-width: 0 1px 0 0;
+    border-width: 0 0.08334em 0 0;
 }
 /*** end ***************************************************************************************/
 
@@ -467,8 +467,8 @@ menu separator {
 
 /*** PartialPaste ******************************************************************************/
 #PartialPaste {
-    border-bottom: 1px solid @border-color;
-    border-top: 1px solid @border-color;
+    border-bottom: 0.08334em solid @border-color;
+    border-top: 0.08334em solid @border-color;
     padding-top: 0.5em;
     padding-bottom: 0.5em;
 }
@@ -518,10 +518,10 @@ scrollbar:not(.overlay-indicator) {
     background-color: rgba(0,0,0,.30);
 }
 scrollbar:not(.overlay-indicator).horizontal {
-    border-width: 0 1px 1px 1px;
+    border-width: 0 0.08334em 0.08334em 0.08334em;
 }
 scrollbar:not(.overlay-indicator).vertical {
-    border-width: 1px 1px 1px 0;
+    border-width: 0.08334em 0.08334em 0.08334em 0;
 }
 scrollbar:not(.overlay-indicator) slider {
     background-color: shade(@text-color, .9);
@@ -593,7 +593,7 @@ scale slider {
     margin: calc(-0.33334em - 1px);
     border-radius: 0.83334em;
     background-image: linear-gradient(to bottom, shade (@accent-color4,1.15), shade (@accent-color4,.85));
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     box-shadow: none;
 }
 scale slider:hover {
@@ -603,14 +603,14 @@ scale slider:hover {
 scale trough {
     margin: 0.5em; /* has to be half of "scale slider / min-width min-height*/
     background-color: @bg-scale-entry;
-    border-color: @bg-dark-grey;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.11), 0 1px rgba(242, 242, 242, 0.11);
+    border: 0.08334em solid @bg-dark-grey;
+    box-shadow: inset 0 0.08334em rgba(255, 255, 255, 0.11), 0 0.08334em rgba(242, 242, 242, 0.11);
     border-radius: 0.5em;
 }
 scale:not(:disabled) trough highlight {
     background-color: @accent-color2;
-    border-color: @bg-dark-grey;
-    box-shadow: inset 0 1px shade(@accent-color2, 1.3);
+    border: 0.08334em solid @bg-dark-grey;
+    box-shadow: inset 0 0.08334em shade(@accent-color2, 1.3);
     border-radius: 0.5em;
 }
 
@@ -671,7 +671,7 @@ progressbar.horizontal trough progress {
 #IopsPanel progressbar.horizontal trough {
     min-height: 0.5em;
     background-color: @bg-scale-entry;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     margin-top: 0.25em;
 }
 #IopsPanel progressbar.horizontal trough progress {
@@ -770,8 +770,9 @@ dialog notebook stack {
 #MainNotebook > stack {
     padding: 0.41667em;
 }
-#MainNotebook > stack > :nth-child(2) > :nth-child(2) {
-    margin-bottom: 0.33334em;
+
+#MainNotebook > stack > :nth-child(2) > box:nth-child(3) {
+    margin-top: 0.41667em;
 }
 
 
@@ -801,10 +802,11 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     background-color: @bg-grey;
     padding: 0;
 }
-#RightNotebook > stack > :nth-child(3),
-#RightNotebook > stack > :nth-child(4) {
+
+#RightNotebook > stack > :nth-child(3) > * > box,
+#RightNotebook > stack > :nth-child(4) > * > box {
     padding: 0.5em;
-    border: 1px solid @bg-entry-border;
+    border: 0.08334em solid @bg-entry-border;
 }
 
 #PrefNotebook header {
@@ -813,8 +815,9 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 #AboutNotebook header {
     margin: -0.66667em -0.66667em 0.66667em;
 }
-#AboutNotebook stack > * > * > * {
-    background-color: @dark-grey;
+
+#AboutNotebook stack text {
+    background-color: @bg-dark-grey;
 }
 
 /* All tool panels have a frame except for Meta which unlike the rest is a notebook itself.
@@ -873,7 +876,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     margin: 0;
 }
 #MetaPanelNotebook .view {
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     padding: 0.16667em;
     margin: 0;
 }
@@ -894,8 +897,8 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     min-width: 1.66667em;
 }
 #MetaPanelNotebook > stack > box > grid > button {
-    margin-top: 1px;
-    margin-bottom: 1px;
+    margin-top: 0.08334em;
+    margin-bottom: 0.08334em;
     min-height: 2.16667em;
 }
 
@@ -908,7 +911,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 /*** File Browser ******************************************************************************/
 #FileCatalog {
     background-color: @bg-image;
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
 }
 #FileCatalog:selected {
     background-color: @accent-color3;
@@ -949,7 +952,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     min-width: 1.66667em;
     margin: 0 0 0 -1.66667em;
     border-radius: 0 0.2em 0.2em 0;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     padding: 0;
 }
 #ToolBarPanelFileBrowser entry,
@@ -972,25 +975,17 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 
 #BeforeAfterContainer {
     background-color: @bg-grey;
-    border: 1px solid @bg-dark-grey;
+    border: 0.08334em solid @bg-dark-grey;
     border-radius: 0;
     padding: 0;
     margin: 0.41667em 0;
 }
-#BeforeAfterContainer > box:nth-child(1) frame {
-    background-color: @bg-image;
-    border-top: 1px solid @bg-dark-grey;
-    border-radius: 0;
-    padding: 0;
-    margin: -1px 0 0 0;
+#BeforeAfterContainer > box:nth-child(2) > box:nth-child(2),
+#BeforeAfterContainer > box:nth-child(1) > box:nth-child(2){
+    border-top: 0.08334em solid @bg-dark-grey;
 }
-#BeforeAfterContainer > box:nth-child(2) frame {
-    background-color: @bg-image;
-    border-top: 1px solid @bg-dark-grey;
-    border-left: 1px solid @bg-dark-grey;
-    border-radius: 0;
-    padding: 0;
-    margin: -1px 0 0 0;
+#BeforeAfterContainer > box:nth-child(2){
+    border-left: 0.08334em solid @bg-dark-grey;
 }
 
 #BeforeAfterContainer label {
@@ -1000,8 +995,8 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 /* Small Lock Button */
 #BeforeAfterContainer button {
     min-height: 1.66667em;
-    min-width: 1.66667em;
-    margin: 0.25em 0 0.33334em;
+    min-width: 1.75em;
+    margin: 0.25em;
     padding: 0 0 0 0.08334em;
 }
 /**/
@@ -1034,7 +1029,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     min-width: 0;
     margin: 0 0.16667em;
     padding: 0 0.16667em;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     background-color: transparent;
     background-image: none;
     box-shadow: none;
@@ -1042,13 +1037,13 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 #EditorTopPanel > box > box > button:hover {
     background-color: transparent;
     background-image: none;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     box-shadow: none;
 }
 #EditorTopPanel > box > box > button:checked {
     background-color: transparent;
     background-image: none;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     box-shadow: none;
 }
 
@@ -1077,13 +1072,13 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
 }
 /**/
 #MyExpander .drawingarea:not(.slider) {
-    border: 1px solid @bg-light-grey;
+    border: 0.08334em solid @bg-light-grey;
 }
 #MyExpander .slider,
 #MyExpander .drawingarea:nth-child(2) {
     background-image: linear-gradient(to bottom, shade (@accent-color4,1.15), shade (@accent-color4,.85));
     background-color: @accent-color4;
-    border: 1px solid rgb(15,15,15);
+    border: 0.08334em solid rgb(15,15,15);
 }
 #MyExpander .drawingarea:disabled {
     background-color: shade(@bg-grey,.85);
@@ -1114,7 +1109,7 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     /* Sub-tool (MyExpander) */
 #ExpanderBox2 > box, #ExpanderBox2 > grid {
     background-color: transparent;
-    border: 1px solid @border-color;
+    border: 0.08334em solid @border-color;
     border-radius: 0;
     margin: 0;
     padding: 0.5em;
@@ -1143,13 +1138,13 @@ window.csd:not(.fullscreen) #MainNotebook > header.top {
     border: none;
     padding: 0;
     margin: 0;
-    box-shadow: 0 3px 9px 1px rgba(0, 0, 0, 0.50), 0 0 0 1px @bg-dark-grey;
+    box-shadow: 0 0.25em 0.75em 0.08334em rgba(0, 0, 0, 0.50), 0 0 0 0.08334em @bg-dark-grey;
 }
 
 menu {
     background-color: @bg-dark-grey;
-    border: 1px solid @accent-color;
-    padding: 1px;
+    border: 0.08334em solid @accent-color;
+    padding: 0.08334em;
     margin: 0;
 }
 menu > .top,
@@ -1159,12 +1154,12 @@ menu > .bottom:hover {
     background-color: transparent;
     border: none;
     padding: 0.5em;
-    min-height: 2em;
+    min-height: 1.5em;
 }
 
 menuitem {
     padding: 0 0.33334em;
-    margin: 1px;
+    margin: 0.08334em;
     min-height: 2em;
 }
 menuitem:hover {
@@ -1187,11 +1182,11 @@ entry > window > frame {
 }
 entry > window > frame > border {
     background-color: @bg-dark-grey;
-    padding: 1px;
-    border: 1px solid @accent-color;
+    padding: 0.08334em;
+    border: 0.08334em solid @accent-color;
 }
 .csd entry > window > frame > border {
-    margin: 1px;
+    margin: 0.08334em;
 }
 /* end */
 
@@ -1203,7 +1198,7 @@ entry > window > frame > border {
 }
 popover.background {
     background-color: @bg-dark-grey;
-    border-color: @accent-color;
+    border: 0.08334em solid  @accent-color;
     border-radius: 0;
     padding: 0;
     margin: 0;
@@ -1236,9 +1231,9 @@ button {
     margin: 0;
     padding: 0; /* x */
     border-radius: 0.2em;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     background-color: transparent;
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.1);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.1);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
 }
 button.flat {
@@ -1250,7 +1245,7 @@ button.text-button label {
 
 #MainNotebook > header > grid > button,
 button.flat {
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     box-shadow: none;
     background-image: none;
     background-color: transparent;
@@ -1301,7 +1296,7 @@ scale + button.flat {
 button.flat:hover,
 button:hover  {
     border-color: @bg-button-border;
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.1);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.1);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: @bg-button-hover;
 }
@@ -1313,7 +1308,7 @@ button.flat:checked,
 button:active,
 button:checked {
     border-color: @bg-button-border;
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.08);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.08);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: @bg-button-active;
 }
@@ -1322,7 +1317,7 @@ button:checked {
 button.Right,
 button.MiddleH {
     margin-left: 0.16667em;
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
 }
 /**/
 
@@ -1364,9 +1359,10 @@ dialog combobox .combo,
 #MyExpander button:not(.flat).Left,
 #MyExpander button:not(.flat) + combobox,
 #MyExpander combobox + button:not(.flat),
-#MyExpander combobox + combobox,
+#MyExpander combobox + combobox
+/* Crash
 #MyExpander button + label,
-#MyExpander combobox + label {
+#MyExpander combobox + label */ {
     margin-left: 0.16667em;
 }
 #MyExpander label + filechooserbutton,
@@ -1453,7 +1449,7 @@ window .view button {
     background-image: none;
     box-shadow: none;
     min-height: 2em;
-     min-width: 1.33334em;
+    min-width: 1.33334em;
     padding: 0 0.33334em;
 }
 dialog .view button.text-button label,
@@ -1462,20 +1458,21 @@ window .view button.text-button label {
 }
 window .view button {
     border: none;
-    border-bottom: 1px solid @border-color;
+    border-bottom: 0.08334em solid @border-color;
 }
 dialog .view button {
-    border-color: @border-color;
+    border: 0.08334em solid @border-color;
 }
 
-.view button:checked label,
 .view button:checked,
-.view button:hover:not(:active) label,
 .view button:hover:not(:active) {
-    color: @headline-hl;
     background-image: none;
     background-color: @bg-list-hover;
 }
+.view button:checked label,
+.view button:hover:not(:active) label {
+    color: @headline-hl;
+}
 
 dialog .view header button:not(:last-child):not(:only-child),
 window .view header button:not(:last-child):not(:only-child),
@@ -1517,7 +1514,7 @@ window .view header button,
 popover button.text-button {
     background-color: @bg-dark-grey;
     background-image: none;
-    border: 1px solid @border-color;
+    border: 0.08334em solid @border-color;
     box-shadow: none;
     background-image: none;
     margin: 0;
@@ -1559,7 +1556,7 @@ headerbar button.titlebutton image {
 headerbar button.titlebutton {
     margin: 0 0 0 0.33334em;
     background-image: none;
-    border: 1px solid transparent;
+    border: 0.08334em solid transparent;
     background-color: transparent;
     box-shadow: none;
     min-width: 1.55em;
@@ -1582,14 +1579,14 @@ messagedialog headerbar button.titlebutton {
 #MainNotebook tab #CloseButton:hover,
 headerbar button.titlebutton:hover{
     border-color: rgba(0,0,0,.8);
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.11);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.11);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: rgba(128, 128, 128,.20);
 }
 #MainNotebook > header > grid > button:active,
 headerbar button.titlebutton:active{
     border-color: rgba(0,0,0,.8);
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.15);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.15);
     background-image: linear-gradient(to bottom, rgba(100,100,100,.3), rgba(30,30,30,.3));
     background-color: rgba(128, 128, 128,.40);
 }
@@ -1597,13 +1594,13 @@ headerbar button.titlebutton:active{
 headerbar button.titlebutton.close:hover{
     border-color: rgba(0,0,0,.8);
     background-image: linear-gradient(to bottom, rgb(180,0,0), rgb(160,0,0) 40%, rgb(130,0,0));
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.32);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.32);
 }
 #MainNotebook tab #CloseButton:active,
 headerbar button.titlebutton.close:active{
     border-color: rgba(0,0,0,.8);
     background-image: linear-gradient(to bottom, rgb(215,0,0), rgb(185,0,0) 40%, rgb(150,0,0));
-    box-shadow: inset 0 1px rgba(242, 242, 242, 0.4);
+    box-shadow: inset 0 0.08334em rgba(242, 242, 242, 0.4);
 }
 /**/
 
@@ -1642,14 +1639,6 @@ checkbutton label {
 check {
     border-radius: 0.16667em;
 }
-check:checked {
-    padding: 0 2px 0 0;
-    min-width: calc(1.16667em - 2px);
-}
-check:indeterminate {
-    min-width: 1.16667em;
-    padding: 0;
-}
 
 radio{
     border-radius: 1.16667em;
@@ -1676,7 +1665,7 @@ frame > checkbutton check{
 }
 #PrefNotebook stack > box:nth-child(3) checkbutton,
 #PrefNotebook stack > box:nth-child(4) checkbutton {
-    min-height: 2em;
+    min-height: 1.83334em;
 }
 #PrefNotebook radiobutton {
     min-height: 2em;
@@ -1696,8 +1685,8 @@ entry {
     min-height: 1.66667em;
     min-width: 0;
     border-radius: 0.2em;
-    box-shadow: inset 1px 1px rgba(0, 0, 0, 0.08), 0 1px rgba(242, 242, 242, 0.1);
-    border: 1px solid @bg-entry-border;
+    box-shadow: inset 0.08334em 0.08334em rgba(0, 0, 0, 0.08), 0 0.08334em rgba(242, 242, 242, 0.1);
+    border: 0.08334em solid @bg-entry-border;
     background-color: @bg-scale-entry;
 }
 
@@ -1708,8 +1697,8 @@ spinbutton {
     min-width: 0;
     border-radius: 0.2em;
     background-color: @bg-scale-entry;
-    border: 1px solid @bg-entry-border;
-    box-shadow: inset 1px 1px rgba(0, 0, 0, 0.08), 0 1px rgba(242, 242, 242, 0.1);
+    border: 0.08334em solid @bg-entry-border;
+    box-shadow: inset 0.08334em 0.08334em rgba(0, 0, 0, 0.08), 0 0.08334em rgba(242, 242, 242, 0.1);
 }
 
 #MyExpander spinbutton {
@@ -1720,9 +1709,9 @@ spinbutton {
     border-top-left-radius: 1.83334em;
     border-bottom-left-radius: 1.83334em;
     background-color: shade(@bg-grey, 1.33);
-    border: 1px solid @bg-button-border;
+    border: 0.08334em solid @bg-button-border;
     color: @text-tbEntry;
-    box-shadow: inset 1px  1px rgba(0, 0, 0, .12), 0 1px rgba(255, 255, 255, 0.12);
+    box-shadow: inset 0.08334em  0.08334em rgba(0, 0, 0, .12), 0 0.08334em rgba(255, 255, 255, 0.12);
 }
 #MyExpander button + label + spinbutton {
     margin: 0.25em 0; /* Needed for Reset & and Auto button height*/
@@ -1808,7 +1797,7 @@ entry:focus > selection  {
 .view entry {
     background-color: @bg-dark-grey;
     margin: 0 -2px;
-    border: 1px solid @accent-color;
+    border: 0.08334em solid @accent-color;
     box-shadow: none;
 }
     /* end*/
@@ -1822,14 +1811,14 @@ entry:focus > selection  {
     border-radius: 0.41667em 0.41667em 0 0;
     border: none;
     padding: 0;
-    box-shadow: 0 0.25em 0.75em 1px rgba(0, 0, 0, 0.5), 0 0 0 1px @bg-dark-grey;
+    box-shadow: 0 0.25em 0.75em 0.08334em rgba(0, 0, 0, 0.5), 0 0 0 0.08334em @bg-dark-grey;
     margin: 0.83334em;
 }
 headerbar {
     background-color: shade(@winHeaderbar,1.12);
-    box-shadow: inset 0 1px rgba(200,200,200,.13);
+    box-shadow: inset 0 0.08334em rgba(200,200,200,.13);
     background-image: linear-gradient(shade(@winHeaderbar,1.14), shade(@winHeaderbar,.86));
-    border-bottom: 1px solid @bg-dark-grey;
+    border-bottom: 0.08334em solid @bg-dark-grey;
     border-radius: 0.41667em 0.41667em 0 0;
     min-height: 2.16667em;
     padding: 0.08334em 0.41667em 0;
@@ -1851,7 +1840,7 @@ headerbar .title{
 
 /* Window in background */
 :not(.popup):not(tooltip) > decoration:backdrop {
-    box-shadow: 0 0.25em 0.75em 1px rgba(0, 0, 0, 0.3), 0 0 0 1px @bg-dark-grey;
+    box-shadow: 0 0.25em 0.75em 0.08334em rgba(0, 0, 0, 0.3), 0 0 0 0.08334em @bg-dark-grey;
 }
 headerbar:backdrop {
     box-shadow: none;