:root {
    --main-color: #ccc;
    --main-light: #393e46;
    --main-dark: #222831;
    --main-dark2: #000;
    --secondary-light: #00fff5;
    --secondary-dark: #00adb5;
    --header-height: 62px
}

#main,
header {
    background: var(--main-dark2)
}

@font-face {
    font-family: Antipasto;
    src: url(../fonts/Antipasto-Regular.ttf)
}

body {
    margin: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

header {
    padding: 17px 15px;
    position: fixed;
    width: calc(100% - 30px);
    top: 0
}

header:after {
    content: ' ';
    width: 100%;
    background: -webkit-gradient(linear, left top, right top, from(var(--secondary-dark)), color-stop(var(--secondary-light)), color-stop(var(--secondary-light)), to(var(--secondary-dark)));
    background: -webkit-linear-gradient(left, var(--secondary-dark), var(--secondary-light), var(--secondary-light), var(--secondary-dark));
    background: -o-linear-gradient(left, var(--secondary-dark), var(--secondary-light), var(--secondary-light), var(--secondary-dark));
    background: linear-gradient(to right, var(--secondary-dark), var(--secondary-light), var(--secondary-light), var(--secondary-dark));
    height: 8px;
    position: absolute;
    left: 0;
    bottom: 0;
    background-size: 400% 100%;
    -webkit-animation: grad-anim 6s infinite linear;
    animation: grad-anim 6s infinite linear
}

header h1 {
    color: var(--main-color);
    font-family: Antipasto;
    font-weight: 400;
    margin: 0
}

#main {
    padding: 15px;
    color: var(--main-color);
    font-size: 8vw;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Antipasto';
    min-height: calc(100% - var(--header-height) - 30px);
    margin-top: calc(var(--header-height))
}

@-webkit-keyframes grad-anim {
    to {
        background-position: -400% 0
    }
}

@keyframes grad-anim {
    to {
        background-position: -400% 0
    }
}
@media screen and (max-width: 650px){
    #main{
        font-size: 4em;
    }
}
@media screen and (max-width: 330px){
    #main{
        font-size: 3.5em;
    }
}