p.wrong {
        display: none;
    }
    
    p.wrong.shake {
        display: block;
    }
    
    p.wrong.shake {
        animation: shake .4s cubic-bezier(.36, .07, .19, .97) both;
        transform: translate3d(0, 0, 0);
        backface-visibility: hidden;
        perspective: 1000px;
    }
    
    @keyframes shake {
        10%,
        90% {
            transform: translate3d(-1px, 0, 0);
        }
        20%,
        80% {
            transform: translate3d(1px, 0, 0);
        }
        30%,
        50%,
        70% {
            transform: translate3d(-2px, 0, 0);
        }
        40%,
        60% {
            transform: translate3d(2px, 0, 0);
        }
    }
    
    .controls img {
        height: 25px;
    }
    .captcha_md_container{
       margin-left: 16px;
    }
    .captcha_md_controls{
        margin-top: 15px;
    }