Extract Separator.scss

src/css/Separator.scss

@@ -0,0 +1,4 @@
+.separator {
+  background-color: hsla(0, 0%, 43%, 1);
+  height: 2px;
+}

src/css/livesplit.scss

@@ -2,6 +2,7 @@
 @use 'KeyValue';
 @use 'LayoutEditor';
 @use 'RunEditor';
+@use 'Separator';
 @use 'SettingsEditor';
 @use 'Sidebar';
 @use 'Splits';
@@ -326,11 +327,6 @@ select {
   font-family: "fira", sans-serif;
 }
 
-.separator {
-  background-color: hsla(0, 0%, 43%, 1);
-  height: 2px;
-}
-
 button.disabled,
 button.button-pressed.disabled,
 button.disabled:active {