title: How to create a similar template like this for errors?
body: <p>I've seen in several sites where publish some images of their applications using a style for ErrorTemplate like this:</p>
  
  <p><img src="https://i.stack.imgur.com/3X8Jy.png" alt="enter image description here"></p>
  
  <p>Do you know where can I find it?</p>