Massively upgraded shadow control, added sorting by specificity in themes3, added/fixed disabled inputs

src/components/settings_modal/tabs/theme_tab/theme_tab.scss

@@ -25,7 +25,9 @@
     margin-bottom: 5px;
 
     .label {
+      margin-right: 1em;
       flex: 1;
+      line-height: 2;
     }
 
     .opt {
@@ -48,15 +50,14 @@
 
       &[type="range"] {
         flex: 1;
-        min-width: 3em;
-        align-self: flex-start;
+        min-width: 2em;
+        align-self: center;
+        margin: 0 0.5em;
       }
-    }
 
-    &.disabled {
-      input,
-      select {
-        opacity: 0.5;
+      &[type="checkbox"] + i {
+        height: 1.1em;
+        align-self: center;
       }
     }
   }