Add drop-shadow on copy button hover

diff --git a/index.html b/index.html
index 89bc6710f4df830e36c07ff14fcd7fd7ddee9a6e..0537ff6ca9e493ada4c0e0d9452b129528c0e320 100644 (file)
--- a/index.html
+++ b/index.html
@@ -111,6 +111,11 @@
       opacity: 0.9;
     }
 
+    :is(button:hover, button:focus-within) svg {
+      filter: drop-shadow(0 0 16px hsl(216deg 50% 65%));
+      transition: filter 200ms;
+    }
+
     pre,
     code {
       border-radius: 4px;