@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;
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
}

body {
    height: 100vh;
    background: -webkit-repeating-linear-gradient(-45deg, #028ecf, #1885b8, #022738, #025c86, #25aae7, #005177, #f0f3f5);
    background-size: 400%;
}

#error-page {
    position: absolute;
    top: 10%;
    border-radius: 10px;
    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 {
    max-width: 600px;
    text-align: center;
}

.content h2.header {
    font-size: 10vw;
    line-height: 1em;
    position: relative;
    display: flex;
    justify-content: center;
}

.content h2.header:after {
    position: absolute;
    display: flex;
    justify-content: center;
    content: attr(data-text);
    background: -webkit-repeating-linear-gradient(-45deg, #025c86, #1885b8, #002333, #025c86, #0898db, #005177, #002333);
    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-top: 20px;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: #000;
    font-size: 2em;
    max-width: 600px;
    position: relative;
}

.content h4:after {
    position: absolute;
    content: attr(data-text);
    top: 0;
    left: 0;
    right: 0;
    -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 #0a8ac5;
    color: #0a8ac5;
    font-weight: 500;
    padding: 10px 25px;
    border-radius: 25px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.content .btns a:hover {
    background: #0a8ac5;
    color: #fff;
}