remove padding on copy icon

Author: mojavelinux

src/css/doc.css

@@ -698,7 +698,10 @@
   border: none;
   color: inherit;
   outline: none;
+  padding: 0;
+  /*
   padding: 0.025rem 0 0;
+  */
   font-size: inherit;
   line-height: inherit;
   width: 1em;