Indentation fix.

elements/core-doc-page.html

@@ -84,7 +84,7 @@ <h3 id="{{data.name}}.properties">Properties</h3>
                 </div>
                 <div class="details-info" flex three>
                   <p layout horizontal center justified>
-                  <code>&lt;<em>{{property.type}}</em>&gt;</code><span class="default" hidden?="{{!property.default}}">default: <code>{{property.default}}</code></span>
+                    <code>&lt;<em>{{property.type}}</em>&gt;</code><span class="default" hidden?="{{!property.default}}">default: <code>{{property.default}}</code></span>
                   </p>
                   <marked-element text="{{property.description}}"></marked-element>
                 </div>