Adjust CSS on playground

docs/index.html

@@ -23,7 +23,7 @@
     <div id="code-info" class="editor-info"></div>
   </div>
   <div class="editor-container">
-    <ul class="editor-header">
+    <ul class="editor-header right-align">
       <li class="option"><span><input id="packrat" type="checkbox"><label>Packrat</label></span></li>
       <li class="option"><span><input id="auto-refresh" type="checkbox"><label>Auto Refresh</label><button id="parse" class="parse">Parse</button></span></li>
     </ul>

docs/style.css

@@ -42,6 +42,9 @@ body {
 .editor-header > li.validation-indicator {
   margin-left: auto;
 }
+.editor-header.right-align {
+  margin-left: auto;
+}
 .editor-validation {
   padding: 9px 11px;
   color: green;
@@ -75,10 +78,14 @@ body {
 .option {
   margin-right: 12px;
 }
+.option:last-child {
+  margin-right: 0;
+}
 .option > span > * {
   margin-right: 8px;
 }
 .option .parse {
   cursor: pointer;
   padding: 9px 11px;
+  margin-right: 0;
 }