@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700&display=swap');

* {
    margin: 0;
    padding: 0;
    outline: none;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    height: 100vh;
    background: -webkit-repeating-linear-gradient(-45deg, #71b7e6, #69a6ce, #b98acc, #ee8176, #b98acc, #69a6ce, #9b59b6);
    background-size: 400%;
}

#error-page {
    /*position: absolute;*/
    width:80%;
    top: 10%;
    left: 15%;
    right: 15%;
    bottom: 10%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    box-shadow: 0px 5px 10px rgba(0,0,0,0.1);
}

    #error-page .content {
        text-align: center;
    }

.content h2.header {
    font-size: 18vw;
    line-height: 1em;
    position: relative;
}

    .content h2.header:after {
        position: absolute;
        content: attr(data-text);
        top: 0;
        left: 0;
        right: 0;
        background: -webkit-repeating-linear-gradient(-45deg, #71b7e6, #69a6ce, #b98acc, #ee8176, #b98acc, #69a6ce, #9b59b6);
        background-size: 400%;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-shadow: 1px 1px 2px rgba(255,255,255,0.25);
        animation: animate 10s ease-in-out infinite;
    }

@keyframes animate {
    0% {
        background-position: 0 0;
    }

    25% {
        background-position: 100% 0;
    }

    50% {
        background-position: 100% 100%;
    }

    75% {
        background-position: 0% 100%;
    }

    100% {
        background-position: 0% 0%;
    }
}

.content h4 {
    font-size: 1.5em;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: #000;
    font-size: 2em;
    position: relative;
}

    .content h4:after {
        position: absolute;
        content: attr(data-text);
        top: 0;
        left: 0;
        right: 0;
        text-shadow: 1px 1px 2px rgba(255,255,255,0.4);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

.content p {
    font-size: 1.2em;
    color: #0d0d0d;
}

.content .btns {
    margin: 25px 0;
    display: inline-flex;
}

    .content .btns a {
        display: inline-block;
        margin: 0 10px;
        text-decoration: none;
        border: 2px solid #69a6ce;
        color: #69a6ce;
        font-weight: 500;
        padding: 10px 25px;
        border-radius: 25px;
        text-transform: uppercase;
        transition: all 0.3s ease;
    }

        .content .btns a:hover {
            background: #69a6ce;
            color: #fff;
        }