vodoraslo.xyz/themes/lugo/layouts/404.html

<style>
    body,
    html {
        height: 1vh;
        /* width: auto; */
    }

    h1 {
        text-align: center;
        font-size: 18em;
        max-width: 100%;
        vertical-align: center;
    }

    html {
        background-image: url("/img/FxyVUnrakAAflqW.jpg");
        background-repeat: repeat;
        background-position: center center;
        overflow-x: hidden;
        overflow-y: hidden;
    }

    a {
        text-decoration: none;
    }

    .rainbow-text {
        background-image: linear-gradient(to left, violet, indigo, blue, green, yellow, orange, red);
        -webkit-background-clip: text;
        color: transparent;
    }


</style>
<div>
    <h1 id="title"><a href="{{ "" | relURL }}" class="rainbow-text">404</a></h1>
</div>