anchor.diff:  display: inline-block;
   padding: 4px 12px;
   margin-bottom: 0;
  -font-size: 14px;
  + font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
  +    font-size: 14px;
  +    font-weight: normal;
   line-height: 20px;
   color: #333;
   text-align: center;
  
positive.code:       });
      </script>
      <style>
        body{
          margin-top: 41px;
        }
  
negative.code: input[type="submit"]:hover{
  color:black;
  }
  .navbar .nav>li>a:hover {
  color: black;
  }
  .nav .active .dropdown-toggle .caret {
  border-top-color: black;
  border-bottom-color: black;
  