diff --git a/t/head.html b/t/head.html
index 0f86cc3..aca92d5 100644
--- a/t/head.html
+++ b/t/head.html
@@ -91,11 +91,31 @@
         border-color: #C7BA6C;
         border-radius: 5px;
         /*margin-top: 1em;*/
-        padding: 0.2em;
+        /*padding: 0.2em;*/
         position: fixed;
       }
       .echo a {
         color: #222;
+        display: block;
+        border-width: 1px;
+        border-style: solid;
+        border-radius: 3px;
+        border-color: #666;
+        padding: 2pt;
+        text-align: center;
+        text-decoration: none;
+      }
+      .echo a:hover {
+        color: #222;
+        display: block;
+        border-width: 1px;
+        border-style: solid;
+        border-radius: 3px;
+        border-color: #666;
+        background-color: #CCC;
+        padding: 2pt;
+        text-align: center;
+        text-decoration: none;
       }
       .answer {
         color: #222;