diff --git a/rtdata/CMakeLists.txt b/rtdata/CMakeLists.txt
index 0f6c907fb..7a0190e15 100644
--- a/rtdata/CMakeLists.txt
+++ b/rtdata/CMakeLists.txt
@@ -3,7 +3,6 @@ file(GLOB SOUNDFILES "sounds/*")
 file(GLOB INPUTICCFILES "iccprofiles/input/*")
 file(GLOB OUTPUTICCFILES "iccprofiles/output/*")
 file(GLOB DCPFILES "dcpprofiles/*")
-file(GLOB FONTS "fonts/*")
 
 set(PROFILESDIR "profiles")
 set(THEMEDIR "themes")
@@ -43,9 +42,6 @@ install(FILES ${INPUTICCFILES} DESTINATION "${DATADIR}/iccprofiles/input")
 install(FILES ${OUTPUTICCFILES} DESTINATION "${DATADIR}/iccprofiles/output")
 install(FILES ${DCPFILES} DESTINATION "${DATADIR}/dcpprofiles")
 install(FILES ${OPTIONSFILE} DESTINATION "${DATADIR}" PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ RENAME options)
-if(WIN32)
-    install(FILES ${FONTS} DESTINATION "${DATADIR}/fonts")
-endif()
 
 install(DIRECTORY "${PROFILESDIR}" DESTINATION "${DATADIR}" FILES_MATCHING PATTERN "*.pp3")
 install(DIRECTORY "${THEMEDIR}" DESTINATION "${DATADIR}")
diff --git a/rtdata/fonts/DroidSansMonoSlashed.ttf b/rtdata/fonts/DroidSansMonoSlashed.ttf
deleted file mode 100644
index 8c44b47ed..000000000
Binary files a/rtdata/fonts/DroidSansMonoSlashed.ttf and /dev/null differ
diff --git a/rtdata/options/options.osx b/rtdata/options/options.osx
index cf31210e6..ef68d7144 100644
--- a/rtdata/options/options.osx
+++ b/rtdata/options/options.osx
@@ -37,8 +37,3 @@ CustomProfileBuilder=
 
 # Default profile name (without extension) to use for standard (8bits) images
 #ImgDefault=Neutral
-
-[GUI]
-# Set the included font as default
-FontFamily=Droid Sans Mono Slashed
-CPFontFamily=Droid Sans Mono Slashed
diff --git a/rtdata/themes/RawTherapee.css b/rtdata/themes/RawTherapee.css
index 3a3162c4e..0805744dc 100644
--- a/rtdata/themes/RawTherapee.css
+++ b/rtdata/themes/RawTherapee.css
@@ -26,7 +26,6 @@
 * {
     color: #BBBBBB;
     text-shadow: none; /* Keep at none, or suffer serious performance issues */
-    font-size: 1em;
 }
 
 *:disabled {
diff --git a/rtgui/cropwindow.cc b/rtgui/cropwindow.cc
index e3c82a09d..458ea05f6 100644
--- a/rtgui/cropwindow.cc
+++ b/rtgui/cropwindow.cc
@@ -62,21 +62,12 @@ CropWindow::CropWindow (ImageArea* parent, bool isLowUpdatePriority_, bool isDet
     initZoomSteps();
 
     Glib::RefPtr<Pango::Context> context = parent->get_pango_context () ;
-    Pango::FontDescription fontd = context->get_font_description ();
+    Pango::FontDescription fontd = parent->get_style_context()->get_font();
     fontd.set_weight (Pango::WEIGHT_BOLD);
     const int fontSize = 8; // pt
-    // Converting font size to "px" based on DPI and scale
-#ifndef __APPLE__
-    const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-    // On MacOS, font is already scaled by the System library
-    // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-    const double fontScale = 1.;
-#endif
-    const double absoluteFontSize = static_cast<double>(fontSize) * fontScale; // px
-    // Absolute size is defined in "Pango units" and shall be multiplied by
-    // Pango::SCALE from "px":
-    fontd.set_absolute_size (absoluteFontSize * static_cast<double>(Pango::SCALE));
+    // Non-absolute size is defined in "Pango units" and shall be multiplied by
+    // Pango::SCALE from "pt":
+    fontd.set_size (fontSize * Pango::SCALE);
     context->set_font_description (fontd);
     Glib::RefPtr<Pango::Layout> cllayout = parent->create_pango_layout("1000%");
 
@@ -2461,21 +2452,12 @@ void CropWindow::drawDecoration (Cairo::RefPtr<Cairo::Context> cr)
     int x = xpos, y = ypos;
     // prepare label
     Glib::RefPtr<Pango::Context> context = iarea->get_pango_context () ;
-    Pango::FontDescription fontd = context->get_font_description ();
+    Pango::FontDescription fontd = iarea->get_style_context()->get_font();
     fontd.set_weight (Pango::WEIGHT_BOLD);
     const int fontSize = 8; // pt
-    // Converting font size to "px" based on DPI and scale
-#ifndef __APPLE__
-    const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-    // On MacOS, font is already scaled by the System library
-    // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-    const double fontScale = 1.;
-#endif
-    const double absoluteFontSize = static_cast<double>(fontSize) * fontScale; // px
-    // Absolute size is defined in "Pango units" and shall be multiplied by
-    // Pango::SCALE from "px":
-    fontd.set_absolute_size (absoluteFontSize * static_cast<double>(Pango::SCALE));
+    // Non-absolute size is defined in "Pango units" and shall be multiplied by
+    // Pango::SCALE from "pt":
+    fontd.set_size (fontSize * Pango::SCALE);
     context->set_font_description (fontd);
     Glib::RefPtr<Pango::Layout> cllayout = iarea->create_pango_layout(cropLabel);
     int iw, ih;
@@ -2537,21 +2519,12 @@ void CropWindow::drawStraightenGuide (Cairo::RefPtr<Cairo::Context> cr)
     }
 
     Glib::RefPtr<Pango::Context> context = iarea->get_pango_context () ;
-    Pango::FontDescription fontd = context->get_font_description ();
+    Pango::FontDescription fontd = iarea->get_style_context()->get_font();
     fontd.set_weight (Pango::WEIGHT_BOLD);
     const int fontSize = 8; // pt
-    // Converting font size to "px" based on DPI and scale
-#ifndef __APPLE__
-    const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-    // On MacOS, font is already scaled by the System library
-    // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-    const double fontScale = 1.;
-#endif
-    const double absoluteFontSize = static_cast<double>(fontSize) * fontScale; // px
-    // Absolute size is defined in "Pango units" and shall be multiplied by
-    // Pango::SCALE from "px":
-    fontd.set_absolute_size (absoluteFontSize * static_cast<double>(Pango::SCALE));
+    // Non-absolute size is defined in "Pango units" and shall be multiplied by
+    // Pango::SCALE from "pt":
+    fontd.set_size (fontSize * Pango::SCALE);
     context->set_font_description (fontd);
     Glib::RefPtr<Pango::Layout> deglayout = iarea->create_pango_layout(Glib::ustring::compose ("%1 deg", Glib::ustring::format(std::setprecision(2), rot_deg)));
 
diff --git a/rtgui/filebrowserentry.cc b/rtgui/filebrowserentry.cc
index b3742ac8f..f889d3b20 100644
--- a/rtgui/filebrowserentry.cc
+++ b/rtgui/filebrowserentry.cc
@@ -784,21 +784,12 @@ void FileBrowserEntry::drawStraightenGuide (Cairo::RefPtr<Cairo::Context> cr)
     }
 
     Glib::RefPtr<Pango::Context> context = parent->getDrawingArea()->get_pango_context () ;
-    Pango::FontDescription fontd = context->get_font_description ();
+    Pango::FontDescription fontd = parent->getDrawingArea()->get_style_context()->get_font();
     fontd.set_weight (Pango::WEIGHT_BOLD);
     const int fontSize = 8; // pt
-    // Converting font size to "px" based on DPI and scale
-#ifndef __APPLE__
-    const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-    // On MacOS, font is already scaled by the System library
-    // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-    const double fontScale = 1.;
-#endif
-    const double absoluteFontSize = static_cast<double>(fontSize) * fontScale; // px
-    // Absolute size is defined in "Pango units" and shall be multiplied by
-    // Pango::SCALE from "px":
-    fontd.set_absolute_size (absoluteFontSize * static_cast<double>(Pango::SCALE));
+    // Non-absolute size is defined in "Pango units" and shall be multiplied by
+    // Pango::SCALE from "pt":
+    fontd.set_size (fontSize * Pango::SCALE);
     context->set_font_description (fontd);
     Glib::RefPtr<Pango::Layout> deglayout = parent->getDrawingArea()->create_pango_layout(Glib::ustring::compose ("%1 deg", Glib::ustring::format(std::setprecision(2), rot_deg)));
 
diff --git a/rtgui/filecatalog.cc b/rtgui/filecatalog.cc
index b01d83223..fd928c7b2 100644
--- a/rtgui/filecatalog.cc
+++ b/rtgui/filecatalog.cc
@@ -525,7 +525,7 @@ void FileCatalog::on_realize()
 {
 
     Gtk::Box::on_realize();
-    Pango::FontDescription fontd = get_pango_context()->get_font_description ();
+    Pango::FontDescription fontd = get_style_context()->get_font();
     fileBrowser->get_pango_context()->set_font_description (fontd);
 //    batchQueue->get_pango_context()->set_font_description (fontd);
 }
diff --git a/rtgui/imagearea.cc b/rtgui/imagearea.cc
index 90deb6ba0..a1387db02 100644
--- a/rtgui/imagearea.cc
+++ b/rtgui/imagearea.cc
@@ -156,18 +156,9 @@ void ImageArea::setInfoText (Glib::ustring text)
     // update font
     fontd.set_weight (Pango::WEIGHT_BOLD);
     const int fontSize = 10; // pt
-    // Converting font size to "px" based on DPI and scale
-#ifndef __APPLE__
-    const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-    // On MacOS, font is already scaled by the System library
-    // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-    const double fontScale = 1.;
-#endif
-    const double absoluteFontSize = static_cast<double>(fontSize) * fontScale; // px
-    // Absolute size is defined in "Pango units" and shall be multiplied by
-    // Pango::SCALE from "px":
-    fontd.set_absolute_size (absoluteFontSize * static_cast<double>(Pango::SCALE));
+    // Non-absolute size is defined in "Pango units" and shall be multiplied by
+    // Pango::SCALE from "pt":
+    fontd.set_size (fontSize * Pango::SCALE);
     context->set_font_description (fontd);
 
     // create text layout
diff --git a/rtgui/lockablecolorpicker.cc b/rtgui/lockablecolorpicker.cc
index 0133199e8..4a8529c38 100644
--- a/rtgui/lockablecolorpicker.cc
+++ b/rtgui/lockablecolorpicker.cc
@@ -53,22 +53,13 @@ void LockableColorPicker::updateBackBuffer ()
         Gtk::DrawingArea *iArea = cropWindow->getImageArea();
 
         Glib::RefPtr<Pango::Context> pangoContext = iArea->get_pango_context ();
-        Pango::FontDescription fontd = pangoContext->get_font_description();
+        Pango::FontDescription fontd = iArea->get_style_context()->get_font();
         // set font family and size
         fontd.set_family(options.CPFontFamily == "default" ? "sans" : options.CPFontFamily);
         const int fontSize = options.CPFontFamily == "default" ? 8 : options.CPFontSize; // pt
-        // Converting font size to "px" based on DPI and scale
-#ifndef __APPLE__
-        const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-        // On MacOS, font is already scaled by the System library
-        // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-        const double fontScale = 1.;
-#endif
-        const double absoluteFontSize = static_cast<double>(fontSize) * fontScale; // px
-        // Absolute size is defined in "Pango units" and shall be multiplied by
-        // Pango::SCALE from "px":
-        fontd.set_absolute_size (absoluteFontSize * static_cast<double>(Pango::SCALE));
+        // Non-absolute size is defined in "Pango units" and shall be multiplied by
+        // Pango::SCALE from "pt":
+        fontd.set_size (fontSize * Pango::SCALE);
         fontd.set_weight(Pango::WEIGHT_NORMAL);
         pangoContext->set_font_description (fontd);
 
diff --git a/rtgui/preferences.cc b/rtgui/preferences.cc
index 4dd6eae4f..6e9028bce 100644
--- a/rtgui/preferences.cc
+++ b/rtgui/preferences.cc
@@ -82,9 +82,22 @@ Preferences::Preferences(RTWindow *rtwindow)
     set_size_request(650, -1);
     set_default_size(options.preferencesWidth, options.preferencesHeight);
 
-    Pango::FontDescription defaultFont = get_style_context()->get_font();
-    initialFontFamily = defaultFont.get_family();
-    initialFontSize = defaultFont.get_size() / Pango::SCALE;
+    // Request default font and size from Gtk::Settings
+    const auto defaultSettings = Gtk::Settings::get_default();
+    Glib::ustring defaultFont;
+    defaultSettings->get_property("gtk-font-name", defaultFont);
+    const Pango::FontDescription defaultFontDesc = Pango::FontDescription(defaultFont);
+    initialFontFamily = defaultFontDesc.get_family();
+#if defined(__APPLE__)
+    // Default MacOS font (i.e. "") is not correctly handled
+    // in Gtk css. Replacing it by "-apple-system" to avoid this
+    if (initialFontFamily == ".AppleSystemUIFont") {
+        initialFontFamily = "-apple-system";
+    }
+#endif
+    initialFontSize = defaultFontDesc.get_size() / Pango::SCALE; // Font size is managed in ()"pt" * Pango::SCALE) by Pango (also refer to notes in rtscalable.h)
+
+    printf("initialFont: %s %d\n", initialFontFamily.c_str(), initialFontSize);
 
     Gtk::Box* mainBox = get_content_area();
 //GTK318
@@ -2016,15 +2029,15 @@ void Preferences::fillPreferences()
     navGuideColorCB->set_alpha ( (unsigned short) (moptions.navGuideBrush[3] * 65535.0));
 
     if (options.fontFamily == "default") {
-        mainFontFB->set_font_name (Glib::ustring::compose ("%1 %2", initialFontFamily, initialFontSize));
+        mainFontFB->set_font_name (Glib::ustring::compose ("%1, %2", initialFontFamily, initialFontSize));
     } else {
-        mainFontFB->set_font_name (Glib::ustring::compose ("%1 %2", options.fontFamily, options.fontSize));
+        mainFontFB->set_font_name (Glib::ustring::compose ("%1, %2", options.fontFamily, options.fontSize));
     }
 
     if (options.CPFontFamily == "default") {
-        colorPickerFontFB->set_font_name (Glib::ustring::compose ("%1 %2", initialFontFamily, initialFontSize));
+        colorPickerFontFB->set_font_name (Glib::ustring::compose ("%1, %2", initialFontFamily, initialFontSize));
     } else {
-        colorPickerFontFB->set_font_name (Glib::ustring::compose ("%1 %2", options.CPFontFamily, options.CPFontSize));
+        colorPickerFontFB->set_font_name (Glib::ustring::compose ("%1, %2", options.CPFontFamily, options.CPFontSize));
     }
 
     showDateTime->set_active(moptions.fbShowDateTime);
@@ -2243,7 +2256,7 @@ void Preferences::cancelPressed()
     // set the initial font back
     Pango::FontDescription fd (mainFontFB->get_font_name());
 
-    if (fd.get_family() != options.fontFamily && (fd.get_size() / Pango::SCALE) != options.fontSize) {
+    if (fd.get_family() != options.fontFamily || (fd.get_size() / Pango::SCALE) != options.fontSize) {
         if (options.fontFamily == "default") {
             switchFontTo(initialFontFamily, initialFontSize);
         } else {
@@ -2446,6 +2459,7 @@ void Preferences::fontChanged()
 {
     newFont = true;
     Pango::FontDescription fd (mainFontFB->get_font_name());
+    printf("test: %s\n", mainFontFB->get_font_name().c_str());
     switchFontTo(fd.get_family(), fd.get_size() / Pango::SCALE);
 }
 
@@ -2457,34 +2471,26 @@ void Preferences::cpFontChanged()
 
 void Preferences::switchFontTo(const Glib::ustring &newFontFamily, const int newFontSize)
 {
-
-    if (newFontFamily != "default") {
-        if (!fontcss) {
-            fontcss = Gtk::CssProvider::create();
-            Glib::RefPtr<Gdk::Screen> screen = Gdk::Screen::get_default();
-            Gtk::StyleContext::add_provider_for_screen(screen, fontcss, GTK_STYLE_PROVIDER_PRIORITY_USER);
-        }
-
-        try {
-            //GTK318
-//#if GTK_MAJOR_VERSION == 3 && GTK_MINOR_VERSION < 20
-//            fontcss->load_from_data (Glib::ustring::compose ("* { font-family: %1; font-size: %2px }", newFontFamily, newFontSize));
-//#else
-            fontcss->load_from_data (Glib::ustring::compose ("* { font-family: %1; font-size: %2pt }", newFontFamily, newFontSize));
-//#endif
-            //GTK318
-        } catch (Glib::Error &err) {
-            printf("Error: \"%s\"\n", err.what().c_str());
-        } catch (...) {
-            printf("Error: Can't find the font named \"%s\"\n", newFontFamily.c_str());
-        }
-    } else {
-        if (fontcss) {
-            fontcss = Gtk::CssProvider::create();
-            Glib::RefPtr<Gdk::Screen> screen = Gdk::Screen::get_default();
-            Gtk::StyleContext::remove_provider_for_screen(screen, fontcss);
-        }
+    // Create CssProvider if not existing
+    if (!fontcss) {
+        fontcss = Gtk::CssProvider::create();
+        Glib::RefPtr<Gdk::Screen> screen = Gdk::Screen::get_default();
+        Gtk::StyleContext::add_provider_for_screen(screen, fontcss, GTK_STYLE_PROVIDER_PRIORITY_USER);
     }
+
+    // Create css to load based on new font name and size
+    const auto css = Glib::ustring::compose ("* { font-family: %1; font-size: %2pt }", newFontFamily, newFontSize);
+
+    // Load css to update font name and size
+    try {
+        fontcss->load_from_data (css);
+    } catch (Glib::Error &err) {
+        printf("Error: \"%s\"\n", err.what().c_str());
+    } catch (...) {
+        printf("Error: Can't load the desired font correctly\n");
+    }
+
+    printf("switchFontTo: %s\n", css.c_str());
 }
 
 void Preferences::workflowUpdate()
diff --git a/rtgui/rtscalable.h b/rtgui/rtscalable.h
index 673ea5685..6913515aa 100644
--- a/rtgui/rtscalable.h
+++ b/rtgui/rtscalable.h
@@ -34,6 +34,11 @@
  *         - Non-absolute size (i.e. "pt"): The default resolution is 72 DPI (i.e. pt per inch). To
  *             convert the size to "px", use the following formula:
  *                 "size in px" = "size in pt" * ("device resolution" / 72)
+ *     Notes:
+ *         - By default, size is expressed in non-absolute size (i.e. "pt"). Conversion between absolute
+ *            and non-absolute size is ensured by Pango.
+ *         - On MacOS, font is already scaled by the System library (i.e. "size in px" = "size in pt" * 1.).
+ *            Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
  *
  * Hi-DPI implementation according to the OS (source: GDK code):
  *     - Windows: A default DPI of 96 is considered. Current DPI parameter is provided by the OS.
diff --git a/rtgui/rtwindow.cc b/rtgui/rtwindow.cc
index ef2e58934..7899fb250 100755
--- a/rtgui/rtwindow.cc
+++ b/rtgui/rtwindow.cc
@@ -139,71 +139,35 @@ RTWindow::RTWindow ()
         // Set the font face and size
         Glib::ustring css;
 
-#ifndef __APPLE__
-        const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-        // On MacOS, font is already scaled by the System library
-        // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-        const double fontScale = 1.;
-#endif
-        auto style = get_pango_context();
-
         if (options.fontFamily != "default") { // Set font and size according to user choice
-            // Scale font size based on DPI and Scale
-            const int scaledFontSize = static_cast<int>(options.fontSize * fontScale + 0.5);
+            // Set font and size in css from options
+            css = Glib::ustring::compose ("* { font-family: %1; font-size: %2pt}",
+                options.fontFamily,
+                options.fontSize); // Font size is in "pt" in options
+        } else { // Set font and size according to default values
+            // Retrieve default style values from Gtk::Settings
+            const auto defaultSettings = Gtk::Settings::get_default();
+            Glib::ustring defaultFont;
+            defaultSettings->get_property("gtk-font-name", defaultFont);
+            const Pango::FontDescription defaultFontDesc = Pango::FontDescription(defaultFont);
 
             // Set font and size in css
-            css = Glib::ustring::compose ("* { font-family: %1; font-size: %2px}", options.fontFamily, scaledFontSize);
-
-            if (rtengine::settings->verbose) {
-                printf("\"Non-Default\" font size in pt(%d) * scale(%.3f) = font size in px(%d)\n", options.fontSize, fontScale, scaledFontSize);
+            auto defaultFontFamily = defaultFontDesc.get_family();
+            const int defaultFontSize = defaultFontDesc.get_size() / Pango::SCALE; // Font size is managed in ()"pt" * Pango::SCALE) by Pango (also refer to notes in rtscalable.h)
+#if defined(__APPLE__)
+            // Default MacOS font (i.e. "") is not correctly handled
+            // in Gtk css. Replacing it by "-apple-system" to avoid this
+            if (defaultFontFamily == ".AppleSystemUIFont") {
+                defaultFontFamily = "-apple-system";
             }
-        } else { // Set font and size according to default values
-            // Retrieve default style values
-            Glib::RefPtr<Gtk::StyleContext> style = Gtk::StyleContext::create();
-            Pango::FontDescription pfd = style->get_font(Gtk::STATE_FLAG_NORMAL);
-
-            if (pfd.get_set_fields() & Pango::FONT_MASK_SIZE) {
-                int fontSize = pfd.get_size();
-                const bool isAbsoluteFontSize = pfd.get_size_is_absolute();
-                int newFontSize;
-
-                if (isAbsoluteFontSize) {
-                    // Absolute size is defined in "Pango units" and shall be divided by
-                    // Pango::SCALE to get "px"
-                    fontSize = fontSize / Pango::SCALE;
-
-#ifndef __APPLE__
-                    // Guessing that pixel size is given for a 96 DPI reference:
-                    const double newFontScale = RTScalable::getDPI() / RTScalable::baseDPI; // Refer to notes in rtscalable.h
-#else
-                    // On MacOS, font is already scaled by the System library
-                    // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-                    const double newFontScale = 1.;
 #endif
-                    newFontSize = static_cast<int>(fontSize * newFontScale + 0.5);
-
-                    if (rtengine::settings->verbose) {
-                        printf("\"Default\" absolute font size(%d)\n", newFontSize);
-                    }
-                } else {
-                    // Non-absolute size is defined in "Pango units" and shall be divided by
-                    // Pango::SCALE to get "px"
-                    fontSize = fontSize / Pango::SCALE;
-
-                    // Non-absolute size is defined in "pt" and shall be converted to "px"
-                    newFontSize = static_cast<int>(fontSize * fontScale + 0.5);
-
-                    if (rtengine::settings->verbose) {
-                        printf("\"Default\" non-absolute font size in pt(%d) * scale(%.3f) = font size in px(%d)\n", fontSize, fontScale, newFontSize);
-                    }
-                }
-
-                // Set font and size in css
-                css = Glib::ustring::compose ("* { font-size: %1px}", newFontSize);
-            }
+            css = Glib::ustring::compose ("* { font-family: %1; font-size: %2pt}",
+                defaultFontFamily,
+                defaultFontSize);
         }
 
+        printf("test : %s\n", css.c_str());
+
         // Load custom CSS for font
         if (!css.empty()) {
             if (rtengine::settings->verbose) {
@@ -218,7 +182,7 @@ RTWindow::RTWindow ()
             } catch (Glib::Error &err) {
                 printf ("Error: \"%s\"\n", err.what().c_str());
             } catch (...) {
-                printf ("Error: Can't find the font named \"%s\"\n", options.fontFamily.c_str());
+                printf ("Error: Can't load the desired font correctly\n");
             }
         }
     }
diff --git a/rtgui/splash.cc b/rtgui/splash.cc
index ea3cb59e7..0015c4864 100644
--- a/rtgui/splash.cc
+++ b/rtgui/splash.cc
@@ -41,21 +41,12 @@ bool SplashImage::on_draw(const ::Cairo::RefPtr< Cairo::Context> &cr)
         cfo.set_antialias (Cairo::ANTIALIAS_SUBPIXEL);
         Glib::RefPtr<Pango::Context> context = get_pango_context ();
         context->set_cairo_font_options (cfo);
-        Pango::FontDescription fontd = context->get_font_description ();
+        Pango::FontDescription fontd = get_style_context()->get_font();
         fontd.set_weight (Pango::WEIGHT_LIGHT);
         const int fontSize = 12; // pt
-        // Converting font size to "px" based on DPI and scale
-#ifndef __APPLE__
-        const double fontScale = RTScalable::getDPI() / RTScalable::pangoDPI; // Refer to notes in rtscalable.h
-#else
-        // On MacOS, font is already scaled by the System library
-        // Refer to https://gitlab.gnome.org/GNOME/gtk/-/blob/gtk-3-24/gdk/quartz/gdkscreen-quartz.c
-        const double fontScale = 1.;
-#endif
-        const double absoluteFontSize = static_cast<double>(fontSize) * fontScale; // px
-        // Absolute size is defined in "Pango units" and shall be multiplied by
-        // Pango::SCALE from "px":
-        fontd.set_absolute_size (absoluteFontSize * static_cast<double>(Pango::SCALE));
+        // Non-absolute size is defined in "Pango units" and shall be multiplied by
+        // Pango::SCALE from "pt":
+        fontd.set_size(fontSize * Pango::SCALE);
         context->set_font_description (fontd);
 
         int w, h;
diff --git a/rtgui/thumbbrowserentrybase.cc b/rtgui/thumbbrowserentrybase.cc
index 424b04680..2f9fb4b47 100644
--- a/rtgui/thumbbrowserentrybase.cc
+++ b/rtgui/thumbbrowserentrybase.cc
@@ -376,7 +376,7 @@ void ThumbBrowserEntryBase::updateBackBuffer ()
 
         // draw file name
         Glib::RefPtr<Pango::Context> context = w->get_pango_context () ;
-        Pango::FontDescription fontd = context->get_font_description ();
+        Pango::FontDescription fontd = w->get_style_context()->get_font();
         fontd.set_weight (Pango::WEIGHT_BOLD);
 
         if (italicstyle) {
@@ -442,7 +442,7 @@ void ThumbBrowserEntryBase::getTextSizes (int& infow, int& infoh)
 
 
     // filename:
-    Pango::FontDescription fontd = context->get_font_description ();
+    Pango::FontDescription fontd = w->get_style_context()->get_font();
     fontd.set_weight (Pango::WEIGHT_BOLD);
     context->set_font_description (fontd);
     Glib::RefPtr<Pango::Layout> fn = w->create_pango_layout(dispname);