/* <!-- |dev|UNSIGNED|||dev@undrnet.com|/data/avatar/triple-blow.gif|--> */ 


body {
  background-color: #333;
  background-size: cover;
  background-image: url(https://picsum.photos/800/600?grayscale);
}

#nav { display: none; }
.avatar { background-image: none; }
main { margin-top: 0px; }

@media only screen and (max-width : 500px) {
  main { margin-top: 0px; }  
}