style name fix

src/de-row.ui

@@ -111,7 +111,7 @@ text text.</property>
         </child>
 
         <style>
-          <class name="row-content"/>
+          <class name="content"/>
         </style>
       </object>
     </child>

src/style.css

-.row-content {
+.content {
     padding: 10px;
 }