diff --git a/ui/media/css/main.css b/ui/media/css/main.css
index 8cf86aaa..4d09fba5 100644
--- a/ui/media/css/main.css
+++ b/ui/media/css/main.css
@@ -485,7 +485,7 @@ dialog {
 }
 
 dialog::backdrop {
-    background: var(--backdrop-color);
+    background: rgba(32, 33, 36, 50%);
 }
 
 dialog > div {
@@ -1295,7 +1295,7 @@ input::file-selector-button {
 
 .popup {
     position: absolute;
-    background: var(--backdrop-color);
+    background: rgba(32, 33, 36, 50%);
     top: 0px;
     left: 0px;
     right: 0px;
diff --git a/ui/media/css/themes.css b/ui/media/css/themes.css
index 30d20a28..280225b7 100644
--- a/ui/media/css/themes.css
+++ b/ui/media/css/themes.css
@@ -1,4 +1,4 @@
-:root, ::backdrop {
+:root {
     --main-hue: 222;
 	--main-saturation: 4%;
 	--value-base: 13%;
@@ -45,7 +45,6 @@
     --status-orange: rgb(200, 139, 0);
     --status-green: green;
     --status-red: red;
-    --backdrop-color: rgba(32, 33, 36, 50%);
 }
 
 .theme-light {