Fix for white border on windows

PVEDiscordDark/sass/PVEDiscordDark.css

@@ -421,6 +421,10 @@
   border-right-width: 0;
 }
 
+.x-message-box .x-window-body {
+  background-color: #2c2f33;
+}
+
 .x-viewport {
   background: #23272a;
 }
@@ -602,7 +606,7 @@
 }
 
 .x-component.x-box-item.x-component-default {
-  background: #23272a;
+  background-color: #2c2f33;
 }
 
 .x-component.x-fieldset-header-text.x-component-default {

PVEDiscordDark/sass/x/_component.sass

@@ -1,7 +1,6 @@
 .x-component
 	color: #fff
 	&.x-box-item.x-component-default
-		background: #23272a
-
+		background-color: #2c2f33
 	&.x-fieldset-header-text.x-component-default
 		color: #fff

PVEDiscordDark/sass/x/_window.sass

@@ -40,4 +40,7 @@
 .x-window-header.x-header.x-header-draggable.x-docked.x-unselectable.x-window-header-default.x-horizontal.x-window-header-horizontal.x-window-header-default-horizontal.x-top.x-window-header-top.x-window-header-default-top.x-box-layout-ct
 	background: #23272a
 	border-bottom-width: 0
-	border-right-width: 0
+	border-right-width: 0
+
+.x-message-box .x-window-body
+	background-color: #2c2f33