title: Vue js Element ui dialog
body: <p>How can I design el-dialog left-top close button? I want to change it with my own close button.</p>
  <p>Is there any way for change it?</p>
  <p>for example.</p>
  <pre><code>&lt;el-dialog
    title=&quot;Tips&quot;
    :visible.sync=&quot;dialogVisible&quot;
    width=&quot;30%&quot;
    :before-close=&quot;handleClose&quot;&gt;
    &lt;span&gt;My custom close button&lt;/span&gt; # my close button left top corner.
  
  &lt;/el-dialog&gt;
  </code></pre>