fix: editor properties UI

client/scss/app.scss

@@ -6,11 +6,13 @@
 // @import "../libs/animate/animate";
 
 @import 'components/markdown-content';
+@import 'components/btn';
 @import 'components/data-table';
 @import 'components/dialog';
 
 // @import '../libs/twemoji/twemoji-awesome';
 @import '../libs/prism/prism.css';
+@import '~vue-tour/dist/vue-tour.css';
 // @import 'node_modules/diff2html/dist/diff2html.min';
 
 @import 'pages/welcome';

client/scss/components/_btn.scss

@@ -0,0 +1,3 @@
+.v-btn.is-icon {
+  min-width: auto;
+}