T have done view responsible web design. but don't see any certificate, why? help me

Tell us what’s happening:

Your code so far

  h2 {
    position: relative;
    top-offset: 10px;
    right-offset: 15px;
  <h1>On Being Well-Positioned</h1>
  <h2>Move me!</h2>
  <p>I still think the h2 is where it normally sits.</p>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) coc_coc_browser/70.4.222 Chrome/64.4.3282.222 Safari/537.36;.

Link to the challenge:

You have to claim certificates from your settings page.