frontend/src/sections/Palette.svelte

@@ -48,7 +48,6 @@
     }
   }
   function handleWheel(event: WheelEvent) {
-    if (!file) return
     if (event.deltaX < 0) {
       secondaryColorIndex = (secondaryColorIndex - 1 + file.canvas.palette.length) % file.canvas.palette.length
     } else if (event.deltaX > 0) {
@@ -150,6 +149,7 @@
     display: inline-block;
     width: 2em;
     height: 2em;
+    border: 2px solid transparent;
   }
   .entry.hide {
     display: none;