body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("/media/background.png");
    background-repeat: repeat;
    background-position: top left;
    background-size: auto;
    pointer-events: none;
    z-index: -1;
    opacity: 0.18;
}

html,
body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

main.container {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

section.main-content {
    flex: 1 0 auto;
}

footer.footer-content {
    margin-top: auto;
}