diff --git a/src/other/firefox/common/icons/audio-muted-symbolic.svg b/src/other/firefox/common/icons/audio-muted-symbolic.svg
index 972ebf90..693263f9 100644
--- a/src/other/firefox/common/icons/audio-muted-symbolic.svg
+++ b/src/other/firefox/common/icons/audio-muted-symbolic.svg
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity">
+<svg width="16" height="16" fill="context-fill" fill-opacity="context-fill-opacity" version="1.1" xmlns="http://www.w3.org/2000/svg">
  <path d="m12.738 1.2891c-0.37566 0.026625-0.62446 0.4901-0.2832 0.87111a7.9998 7.9998 0 0 1 2.5449 5.8398 7.9998 7.9998 0 0 1-2.5547 5.8515c-0.44599 0.47101 0.18074 1.1485 0.67775 0.72851a8.9999 8.9999 0 0 0 2.877-6.5802 8.9999 8.9999 0 0 0-2.8613-6.5723c-0.13625-0.107-0.27517-0.14755-0.40041-0.13867zm-2.3906 1.416c-0.39561 0.011813-0.64211 0.53575-0.25586 0.91602a6.0001 6.0001 0 0 1 1.9082 4.379 6.0001 6.0001 0 0 1-1.916 4.3888c-0.46901 0.44599 0.17269 1.1465 0.67968 0.72851a7.0001 7.0001 0 0 0 2.2363-5.1172 7.0001 7.0001 0 0 0-2.2246-5.1115c-0.14675-0.13375-0.29586-0.18753-0.42773-0.18359zm-4.3476 0.29492-3 3h-2c-0.55401 0-1 0.44599-1 1v2c0 0.55401 0.44599 1 1 1h2l3 3zm2.0176 1.1836c-0.37584 0.016328-0.64502 0.51398-0.29102 0.89648a3.9999 3.9999 0 0 1 1.2734 2.9199 3.9999 3.9999 0 0 1-1.2773 2.9258c-0.47301 0.43 0.13969 1.1525 0.67968 0.73048a5 5 0 0 0 1.5977-3.6563 5 5 0 0 0-1.5898-3.6504c-0.13-0.1235-0.2673-0.17145-0.39258-0.16602z" opacity=".35"/>
- <rect transform="rotate(45)" x="1.3137" y="-5" width="20" height="1" rx=".5" ry=".5"/>
+ <rect transform="rotate(45)" x="1.3137" y="-.5" width="20" height="1" rx=".5" ry=".5"/>
 </svg>
diff --git a/src/sass/gtk/_common-3.0.scss b/src/sass/gtk/_common-3.0.scss
index afc4cbd5..bca063bb 100644
--- a/src/sass/gtk/_common-3.0.scss
+++ b/src/sass/gtk/_common-3.0.scss
@@ -2033,8 +2033,13 @@ treeview.view {
     border-radius: 0;
     border-left-color: mix($selected_fg_color, $selected_bg_color, 50%);
     border-top-color: rgba($fg_color, 0.15); // doesn't work unfortunately
+    background-color: $selected_bg_color;
+    color: $selected_fg_color;
 
-    @extend %selected_items;
+    &:hover {
+      background-color: if($variant=='light', darken($selected_bg_color, 3%), lighten($selected_bg_color, 3%));
+      color: $selected_fg_color;
+    }
   }
 
   &:disabled {