Show alternate: style updates.

show-alternate/index.js

 // ==UserScript==
 // @name        Show alternate links
 // @namespace   http://hugo.hornquist.se
-// @version     0.2.0
+// @version     0.2.1
 // @description Show alternate links
 // @author      hugo@lysator.liu.se
 // @match       *://*/*
@@ -47,7 +47,7 @@
 	display: block;
 	width: 2em;
 	min-height: 2em;
-	background: red;
+	background: rgba(255,0,0,0.5);
 	color: white;
 	font-weight: bold;
 	padding: 1ex;
@@ -55,6 +55,7 @@
 
 #${id}:hover {
 	width: unset;
+	z-index: 10000000;
 }
 
 #${id} ul {