anchor.diff:    #speakers {
       ul {
         li {
  -        padding: 25px 0 50px 190px;
   
           h4 {
             span {
  
positive.code:       }
  
        li.left {
          left: 20px;
        }
  
        li.right {
          right: 20px;
        }
      }
    }
  
negative.code: 
      h3 {
        margin-top: 0;
      }
  
      ul {
        li {
          h4 {
            span {
              top: 60px;
            }
          }
        }
      }
  
      h3 + .centered {
  