website/static/src/scss/_404.scss

body.page-404 {
  height: 100vh;

  main {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 0;
    color: $white;
  }

  .content-wrapper {
    position: absolute;
    text-align: center;
    background-color: color.adjust($dark, $alpha: -0.2);
    border-radius: $input-radius;
    padding: 2rem;

    h1 {
      font-size: 5rem;
    }

    p {
      font-size: 110%;
    }

    a:hover {
      color: $grey-lighter;
    }
  }

  marquee {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 100%;

    &.outer {
      font-size: 5rem;
    }
  }
}