style.css: fix format of menu

index.php

@@ -73,8 +73,7 @@ html_export_var(array(
     </div>
     <div id='footer'>
       <ul id='menu'>
-        <li><a target='_blank' href='https://github.com/plepe/openstreetbrowser'>Code</a></li>
-      </ul>
+        <li><a target='_blank' href='https://github.com/plepe/openstreetbrowser'>Code</a></li></ul>
     </div>
   </div>
   <div id='loadingIndicator'>

style.css

@@ -139,13 +139,18 @@ a:active {
 }
 #menu li {
   display: inline-block;
+  margin: 1px 0;
 }
 #menu li::after {
-  content: ' |';
+  content: '|';
+  margin: 1px 0.25em;
 }
 #menu li:last-of-type::after {
   content: '';
 }
+#menu li:first-of-type {
+  margin-left: 0.25em;
+}
 
 @media all and (max-height: 400px) {
 #sidebar {