anchor.diff:  
     .form-inline .input-group-addon {
       padding: 0;
  -    margin: 15px 18px;
  +    margin: 10px 18px 0;
       font-size: 13px;
       letter-spacing: 0.05em;
       color: #ccc;
  
positive.code:     overflow: hidden;
      flex-grow: 1;
      position: relative;
      height: 65px;
    }
  
      .form-inline .form-group:last-child {
  
negative.code:     left: 0;
      top: 0;
      position: absolute;
      padding: 28px 18px 18px;
      float: none;
      display: block;
      border-radius: 0;
  