anchor.diff:    display: inline;
   }
   
  -.error_messages {
  +.error-messages {
     width: 400px;
     border: 2px solid #CF0000;
     padding: 0px;
  
positive.code:   color: #fff;
  }
  
  .error_messages p {
    margin: 8px 10px;
  }
  
  .error_messages ul {
    margin: 15px 0;
  }
  
negative.code:   width: auto;
  }
  
  .error-messages h2 {
    text-align: left;
    font-weight: bold;
    padding: 5px 10px;
  