www: added style for reflinks

www/style.css

@@ -52,3 +52,22 @@ p > code {
   padding: 3px;
   border: 1px solid #ccc;
 }
+
+span.reflinks {
+  font-size: x-small;
+  vertical-align: middle;
+}
+
+span.reflinks > a {
+  background-color: #007bff;
+  color: #ccc;
+  border-radius: 6px;
+  padding: 2px;
+  padding-left: 4px;
+  padding-right: 4px;
+}
+
+span.reflinks > a:hover {
+  color: #FFF;
+  text-decoration: none;
+}