@import url("https://fonts.googleapis.com/css?family=Open+Sans:400,400i,700");

@-webkit-keyframes cross1 {
    0% {
        transform: rotate(45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
    }

    100% {
        transform: rotate(45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
    }
}

@keyframes cross1 {
    0% {
        transform: rotate(45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
    }

    100% {
        transform: rotate(45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
    }
}

@-webkit-keyframes cross2 {
    0% {
        transform: rotate(-45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
    }

    100% {
        transform: rotate(-45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
    }
}

@keyframes cross2 {
    0% {
        transform: rotate(-45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
    }

    100% {
        transform: rotate(-45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
    }
}

@-webkit-keyframes cross1Reverse {
    100% {
        transform: rotate(45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
        opacity: 0;
    }

    0% {
        transform: rotate(45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
        opacity: 1;
    }
}

@keyframes cross1Reverse {
    100% {
        transform: rotate(45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
        opacity: 0;
    }

    0% {
        transform: rotate(45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
        opacity: 1;
    }
}

@-webkit-keyframes cross2Reverse {
    100% {
        transform: rotate(-45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
        opacity: 0;
    }

    0% {
        transform: rotate(-45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
        opacity: 1;
    }
}

@keyframes cross2Reverse {
    100% {
        transform: rotate(-45deg) scaleX(0) scaleY(0.7);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0);
        opacity: 0;
    }

    0% {
        transform: rotate(-45deg) scaleX(1) scaleY(1);
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
        opacity: 1;
    }
}

@-webkit-keyframes flip {
    0% {
        transform: rotate(-90deg) rotateY(0deg) translateX(0);
    }

    60% {
        transform: rotate(-90deg) rotateY(200deg) translateX(3vmin);
    }

    80% {
        transform: rotate(-90deg) rotateY(170deg) translateX(3vmin);
    }

    100% {
        transform: rotate(-90deg) rotateY(180deg) translateX(3vmin);
    }
}

@keyframes flip {
    0% {
        transform: rotate(-90deg) rotateY(0deg) translateX(0);
    }

    60% {
        transform: rotate(-90deg) rotateY(200deg) translateX(3vmin);
    }

    80% {
        transform: rotate(-90deg) rotateY(170deg) translateX(3vmin);
    }

    100% {
        transform: rotate(-90deg) rotateY(180deg) translateX(3vmin);
    }
}

@-webkit-keyframes flipReverse {
    100% {
        transform: rotate(-90deg) rotateY(0deg) translateX(0);
    }

    0% {
        transform: rotate(-90deg) rotateY(180deg) translateX(3vmin);
    }
}

@keyframes flipReverse {
    100% {
        transform: rotate(-90deg) rotateY(0deg) translateX(0);
    }

    0% {
        transform: rotate(-90deg) rotateY(180deg) translateX(3vmin);
    }
}

body, html {
    width: 100vw;
    height: 100vh;
    background-color: #9D1255;
    overflow: hidden;
    background-image: linear-gradient(45deg, #e91e63, #420046);
    font-family: "Open Sans";
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.internal {
    font-size: 50vmin;
    text-align: center;
    color: #fff;
    text-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
    position: relative;
    margin-bottom: 10vmin;
    transition: transform 300ms;
}

    .internal:hover {
        transform: scale(1.2);
        cursor: pointer;
    }

        .internal:hover:before {
            -webkit-animation: flipReverse 300ms;
            animation: flipReverse 300ms;
        }

        .internal:hover .zero:before {
            -webkit-animation: cross1Reverse 300ms;
            animation: cross1Reverse 300ms;
        }

        .internal:hover .zero:after {
            -webkit-animation: cross2Reverse 300ms;
            animation: cross2Reverse 300ms;
        }

    .internal:before {
        content: "(";
        position: absolute;
        transform: rotate(-90deg);
        right: 25vmin;
        bottom: -30vmin;
        display: block;
        font-size: 115%;
        -webkit-animation: flip 1000ms 1.6s ease-in-out forwards;
        animation: flip 1000ms 1.6s ease-in-out forwards;
        transition: transform 300ms;
    }

.zero {
    position: relative;
}

    .zero:before, .zero:after {
        position: absolute;
        display: block;
        content: "";
        width: 140%;
        height: 10vmin;
        background: #3fe9ea;
        background-image: linear-gradient(90deg, #3fe9ea, #4ea6d0);
        left: -20%;
        top: 45%;
        box-shadow: 0 1vmin 5vmin rgba(0, 0, 0, 0.5);
    }

    .zero:before {
        transform: rotate(45deg) scaleX(0) scaleY(0.7);
        -webkit-animation: cross1 300ms 1s ease-in-out forwards;
        animation: cross1 300ms 1s ease-in-out forwards;
    }

    .zero:after {
        transform: rotate(-45deg) scaleX(0) scaleY(0.7);
        -webkit-animation: cross2 400ms 1.2s ease-in-out forwards;
        animation: cross2 400ms 1.2s ease-in-out forwards;
    }

    .zero:nth-child(2):before {
        transform: rotate(45deg) scaleX(0) scaleY(0.7);
        -webkit-animation: cross1 400ms 1.1s ease-in-out forwards;
        animation: cross1 400ms 1.1s ease-in-out forwards;
    }

    .zero:nth-child(2):after {
        transform: rotate(-45deg) scaleX(0) scaleY(0.7);
        -webkit-animation: cross2 500ms 1.3s ease-in-out forwards;
        animation: cross2 500ms 1.3s ease-in-out forwards;
    }

.info {
    text-transform: uppercase;
    color: #3fe9ea;
    text-shadow: 0 0.5vmin 1vmin rgba(0, 0, 0, 0.5);
    font-size: 200%;
    padding: 0 24px;
    text-align: center;
}

.link {
    position: absolute;
    bottom: 0;
    padding-bottom: 24px;
}

    .link a {
        color: #fff;
        opacity: 0.5;
        text-decoration: none;
        font-weight: 400;
        font-size: 90%;
        transition: opacity 300ms;
    }

        .link a:hover {
            opacity: 0.9;
        }