anchor.diff:        display: block;
         font-size: 15px;
       }
  -    button {
  +    button, .button {
         text-align: center;
         background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #7ac0f8), color-stop(100%, #2e96e2));
         -webkit-box-shadow: black 0px 0px 2px 0px;
  
positive.code:       -webkit-box-sizing: border-box;
      }
  
      input, button {
        display: block;
        border: none;
        border-radius: 10px;
  
negative.code:       margin: 20px 13px;
  
      }
      .flip-to-back, .flip-to-front, .forgot-password {
        background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #262626), color-stop(100%, #404141));
        color: #c2c2c2;
        margin-top: 30px;
  