code span.cf {
    font-weight: normal;
  }
  
  .top-callout {
    margin-top: 0;
  }
  
  .profile-pic {
    border-radius: 5px;
  }
  
  
.with-background {
  background-image: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=2946&q=80');
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
  background-size: cover;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
}