Cleaned up assets, added default border values to main.scss

src/assets/scss/main.scss

@@ -128,7 +128,7 @@ button {
     &.active,
     &.selected,
     &:hover {
-      @apply bg-gray-700 border-gray-700;
+      @apply bg-gray border-gray;
     }
   }
 
@@ -157,6 +157,10 @@ button {
   }
 }
 
+.default-border {
+  @apply border border-solid border-gray-500;
+}
+
 .text-pixel {
   @apply text-white font-ui drop-shadow-pixel-black;
 }