:root {
    --main-background-color: grey;
    --main-background-logo: url("../images/background/background_w_logo.png");
}

body {
    background-color: var(--main-background-color);
    min-height: 100vh;
    margin: 0;
    background-image: var(--main-background-logo);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: auto 80vh;
}