anchor.diff:  
   div.uploader input {
     opacity: 0;
  -  filter: alpha(opacity:0);
  +  filter: alpha(opacity=0);
     position: absolute;
     top: 0;
     right: 0;
  
positive.code: 
  div.checker input {
    opacity: 0;
    filter: alpha(opacity:0);
    display: inline-block;
    background: none;
  }
  
negative.code: div.selector select {
    position: absolute;
    opacity: 0;
    filter: alpha(opacity=0);
    height: 25px;
    border: none;
    background: none;
  