anchor.diff:  
       h3 {
         margin-top: 0;
  +    }
  +
  +    ul {
  +      li {
  +        h4 {
  +          span {
  +            top: 60px;
  +          }
  +        }
  +      }
       }
   
       h3 + .centered {
  
positive.code:       }
  
        li.left {
          left: 20px;
        }
  
        li.right {
          right: 20px;
        }
      }
    }
  
negative.code:   #speakers {
      ul {
        li {
  
          h4 {
            span {
  