fix focus styling

Don’t use default focus style it’s ugly.

Don’t allow the image to be dragged.

src/components/delete-button/delete-button.css

@@ -6,11 +6,17 @@
     display: flex;
     align-items: center;
     justify-content: center;
+    border-radius: 50%;
     user-select: none;
     cursor: pointer;
     transition: all 0.15s ease-out;
 }
 
+.delete-button:focus {
+    outline: none;
+    box-shadow: 0px 0px 0px 4px $motion-transparent;
+}
+
 .delete-button-visible {
   display: flex;
   align-items: center;