diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index cf881d99a1b9f7f5d7872e6e2fe131ff8a6d9f17..fae698134ed21b40c4faa45d771889fac7710cce 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -4539,6 +4539,14 @@ button.titlebutton {
 
   @include _button_text_shadow;
 
+  &:not(.appmenu) {
+    border-radius: 9999px;
+    padding: $_hb_btn_pad;
+    margin: 0 2px;
+    min-width: 0;
+    min-height: 0;
+  }
+
   .selection-mode & {
     @extend %button.flat.suggested-action;
 
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 060e4c6426c00ef535fde5ca4197dd0bde25e7be..eb5b576cad297a92817a3623f363138df3251aef 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -486,7 +486,7 @@ button:link > label:disabled, button:visited > label:disabled, button:link > lab
 
 button:link > label:backdrop:backdrop:hover, button:visited > label:backdrop:backdrop:hover, button:link > label:backdrop:backdrop:hover:selected, button:visited > label:backdrop:backdrop:hover:selected, button:link > label:backdrop, button:visited > label:backdrop, *:link:backdrop:backdrop:hover, button:backdrop:backdrop:hover:link, button:backdrop:backdrop:hover:visited, *:link:backdrop:backdrop:hover:selected, button:backdrop:backdrop:hover:selected:link, button:backdrop:backdrop:hover:selected:visited, .selection-mode .titlebar:not(headerbar) .subtitle:backdrop:backdrop:hover:link, .selection-mode.titlebar:not(headerbar) .subtitle:backdrop:backdrop:hover:link, .selection-mode headerbar .subtitle:backdrop:backdrop:hover:link, headerbar.selection-mode .subtitle:backdrop:backdrop:hover:link, *:link:backdrop, button:backdrop:link, button:backdrop:visited { color: #15539e; }
 
-infobar.info *:link, infobar.info button:link, infobar.info button:visited, infobar.question *:link, infobar.question button:link, infobar.question button:visited, infobar.warning *:link, infobar.warning button:link, infobar.warning button:visited, infobar.error *:link, infobar.error button:link, infobar.error button:visited, button:link > label:selected, button:visited > label:selected, *:selected button:link > label, *:selected button:visited > label, *:link:selected, button:selected:link, button:selected:visited, .selection-mode .titlebar:not(headerbar) .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link, .selection-mode headerbar .subtitle:link, headerbar.selection-mode .subtitle:link, *:selected *:link, *:selected button:link, *:selected button:visited { color: #d0ddec; }
+button:link > label:selected, button:visited > label:selected, *:selected button:link > label, *:selected button:visited > label, *:link:selected, button:selected:link, button:selected:visited, .selection-mode .titlebar:not(headerbar) .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link, .selection-mode headerbar .subtitle:link, headerbar.selection-mode .subtitle:link, *:selected *:link, *:selected button:link, *:selected button:visited { color: #d0ddec; }
 
 button:link, button:visited { text-shadow: none; }
 
@@ -1792,6 +1792,8 @@ infobar.info button:backdrop label, infobar.info button:backdrop, infobar.info b
 
 infobar.info selection, infobar.question selection, infobar.warning selection, infobar.error selection { background-color: #1b1b1b; }
 
+infobar.info *:link, infobar.info button:link, infobar.info button:visited, infobar.question *:link, infobar.question button:link, infobar.question button:visited, infobar.warning *:link, infobar.warning button:link, infobar.warning button:visited, infobar.error *:link, infobar.error button:link, infobar.error button:visited { color: #3584e4; }
+
 /************ Tooltips * */
 tooltip { padding: 4px; /* not working */ border-radius: 5px; box-shadow: none; text-shadow: 0 1px black; }
 
@@ -1906,6 +1908,8 @@ messagedialog.csd decoration { border-radius: 8px; box-shadow: 0 1px 2px rgba(0,
 
 button.titlebutton { text-shadow: 0 -1px rgba(0, 0, 0, 0.834353); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.834353); }
 
+button.titlebutton:not(.appmenu) { border-radius: 9999px; padding: 6px; margin: 0 2px; min-width: 0; min-height: 0; }
+
 button.titlebutton:backdrop { -gtk-icon-shadow: none; }
 
 .selection-mode headerbar button.titlebutton, .selection-mode .titlebar button.titlebutton, headerbar.selection-mode button.titlebutton, .titlebar.selection-mode button.titlebutton { text-shadow: 0 -1px rgba(0, 0, 0, 0.719216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.719216); }
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 6604861a9d6474b36b8cbdaf533e3efb6ef0ea19..b76ce36932d9925b2d8c395fc4876dce5633e767 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -494,7 +494,7 @@ button:link > label:disabled, button:visited > label:disabled, button:link > lab
 
 button:link > label:backdrop:backdrop:hover, button:visited > label:backdrop:backdrop:hover, button:link > label:backdrop:backdrop:hover:selected, button:visited > label:backdrop:backdrop:hover:selected, button:link > label:backdrop, button:visited > label:backdrop, *:link:backdrop:backdrop:hover, button:backdrop:backdrop:hover:link, button:backdrop:backdrop:hover:visited, *:link:backdrop:backdrop:hover:selected, button:backdrop:backdrop:hover:selected:link, button:backdrop:backdrop:hover:selected:visited, .selection-mode .titlebar:not(headerbar) .subtitle:backdrop:backdrop:hover:link, .selection-mode.titlebar:not(headerbar) .subtitle:backdrop:backdrop:hover:link, .selection-mode headerbar .subtitle:backdrop:backdrop:hover:link, headerbar.selection-mode .subtitle:backdrop:backdrop:hover:link, *:link:backdrop, button:backdrop:link, button:backdrop:visited { color: #3584e4; }
 
-infobar.info *:link, infobar.info button:link, infobar.info button:visited, infobar.question *:link, infobar.question button:link, infobar.question button:visited, infobar.warning *:link, infobar.warning button:link, infobar.warning button:visited, infobar.error *:link, infobar.error button:link, infobar.error button:visited, button:link > label:selected, button:visited > label:selected, *:selected button:link > label, *:selected button:visited > label, *:link:selected, button:selected:link, button:selected:visited, .selection-mode .titlebar:not(headerbar) .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link, .selection-mode headerbar .subtitle:link, headerbar.selection-mode .subtitle:link, *:selected *:link, *:selected button:link, *:selected button:visited { color: #d7e6fa; }
+button:link > label:selected, button:visited > label:selected, *:selected button:link > label, *:selected button:visited > label, *:link:selected, button:selected:link, button:selected:visited, .selection-mode .titlebar:not(headerbar) .subtitle:link, .selection-mode.titlebar:not(headerbar) .subtitle:link, .selection-mode headerbar .subtitle:link, headerbar.selection-mode .subtitle:link, *:selected *:link, *:selected button:link, *:selected button:visited { color: #d7e6fa; }
 
 button:link, button:visited { text-shadow: none; }
 
@@ -1808,6 +1808,8 @@ infobar.info button:backdrop label, infobar.info button:backdrop, infobar.info b
 
 infobar.info selection, infobar.question selection, infobar.warning selection, infobar.error selection { background-color: #dfdcd8; }
 
+infobar.info *:link, infobar.info button:link, infobar.info button:visited, infobar.question *:link, infobar.question button:link, infobar.question button:visited, infobar.warning *:link, infobar.warning button:link, infobar.warning button:visited, infobar.error *:link, infobar.error button:link, infobar.error button:visited { color: #1b6acb; }
+
 /************ Tooltips * */
 tooltip { padding: 4px; /* not working */ border-radius: 5px; box-shadow: none; text-shadow: 0 1px black; }
 
@@ -1922,6 +1924,8 @@ messagedialog.csd decoration { border-radius: 8px; box-shadow: 0 1px 2px rgba(0,
 
 button.titlebutton { text-shadow: 0 1px rgba(255, 255, 255, 0.769231); -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.769231); }
 
+button.titlebutton:not(.appmenu) { border-radius: 9999px; padding: 6px; margin: 0 2px; min-width: 0; min-height: 0; }
+
 button.titlebutton:backdrop { -gtk-icon-shadow: none; }
 
 .selection-mode headerbar button.titlebutton, .selection-mode .titlebar button.titlebutton, headerbar.selection-mode button.titlebutton, .titlebar.selection-mode button.titlebutton { text-shadow: 0 -1px rgba(0, 0, 0, 0.559216); -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.559216); }