Update style.css

style.css

@@ -3,7 +3,7 @@
   border: none !important;
 }
 .gr-input {
-  background: rgba(0,0,0,.25) !important;
+  background: rgba(0,0,0,.1) !important;
   box-shadow: inset 0 0 0 1px #293139 !important;
   border-radius: 2px !important;
   padding: .5rem .75rem !important;
@@ -78,6 +78,7 @@ footer {
 
 #paints > * > .border {
   box-shadow: 0 0 0 1px rgba( 255, 255, 255, .1 ) !important;
+  background: rgba(0,0,0,.1) !important;
   border-radius: 2px !important;
   overflow: hidden !important;
 }