* {
    margin: 0;
    padding: 0;
    font-family: 'Arial', Comic Sans MS, monospace;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: black;
}

/*Marco contenido*/

.contenido {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Imagen */

.contenido .imagenError {
    top: 8em;
    position: absolute;
    width: 125px;
    height: 125px;

}
/* Texto */
.contenido .text {
    position: relative;
    color: #fff;
    font-weight: 700;
    font-size: 45px;
    transform: scale(2);
    padding: 30px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.contenido .text:before,
.contenido .text:after {
    padding: 30px;
    color: rgb(241, 255, 111);
    content: attr(data-text);
    position: absolute;
    width: 100%;
    height: 100%;
    background: black;
    overflow: hidden;
    top: 0;
}

/* Efecto sobre el texto*/

.contenido .text:before {
    left: 3px;
    text-shadow: -2px 0 red;
    animation: fallo-1 1s linear infinite reverse;
}

.contenido .text:after {
    left: 3px;
    text-shadow: -2px 0 blue;
    animation: fallo-2 1s linear infinite reverse;
}


@keyframes fallo-1 {
    0% {
        clip: rect(132px, auto, 101px, 30px);
    }

    5% {
        clip: rect(17px, auto, 94px, 30px);
    }

    10% {
        clip: rect(40px, auto, 66px, 30px);
    }

    15% {
        clip: rect(87px, auto, 82px, 30px);
    }

    20% {
        clip: rect(137px, auto, 61px, 30px);
    }

    25% {
        clip: rect(34px, auto, 14px, 30px);
    }

    30% {
        clip: rect(133px, auto, 74px, 30px);
    }

    35% {
        clip: rect(76px, auto, 107px, 30px);
    }

    40% {
        clip: rect(59px, auto, 130px, 30px);
    }

    45% {
        clip: rect(29px, auto, 84px, 30px);
    }

    50% {
        clip: rect(22px, auto, 67px, 30px);
    }

    55% {
        clip: rect(67px, auto, 62px, 30px);
    }

    60% {
        clip: rect(10px, auto, 105px, 30px);
    }

    65% {
        clip: rect(78px, auto, 115px, 30px);
    }

    70% {
        clip: rect(105px, auto, 13px, 30px);
    }

    75% {
        clip: rect(15px, auto, 75px, 30px);
    }

    80% {
        clip: rect(66px, auto, 39px, 30px);
    }

    85% {
        clip: rect(133px, auto, 73px, 30px);
    }

    90% {
        clip: rect(36px, auto, 128px, 30px);
    }

    95% {
        clip: rect(68px, auto, 103px, 30px);
    }

    100% {
        clip: rect(14px, auto, 100px, 30px);
    }
}

@keyframes fallo-2 {
    0% {
        clip: rect(129px, auto, 36px, 30px);
    }

    5% {
        clip: rect(36px, auto, 4px, 30px);
    }

    10% {
        clip: rect(85px, auto, 66px, 30px);
    }

    15% {
        clip: rect(91px, auto, 91px, 30px);
    }

    20% {
        clip: rect(148px, auto, 138px, 30px);
    }

    25% {
        clip: rect(38px, auto, 122px, 30px);
    }

    30% {
        clip: rect(69px, auto, 54px, 30px);
    }

    35% {
        clip: rect(98px, auto, 71px, 30px);
    }

    40% {
        clip: rect(146px, auto, 34px, 30px);
    }

    45% {
        clip: rect(134px, auto, 43px, 30px);
    }

    50% {
        clip: rect(102px, auto, 80px, 30px);
    }

    55% {
        clip: rect(119px, auto, 44px, 30px);
    }

    60% {
        clip: rect(106px, auto, 99px, 30px);
    }

    65% {
        clip: rect(141px, auto, 74px, 30px);
    }

    70% {
        clip: rect(20px, auto, 78px, 30px);
    }

    75% {
        clip: rect(133px, auto, 79px, 30px);
    }

    80% {
        clip: rect(78px, auto, 52px, 30px);
    }

    85% {
        clip: rect(35px, auto, 39px, 30px);
    }

    90% {
        clip: rect(67px, auto, 70px, 30px);
    }

    95% {
        clip: rect(71px, auto, 103px, 30px);
    }

    100% {
        clip: rect(83px, auto, 40px, 30px);
    }
}