html, body {
    height: 100%;
    margin: 0;
}

body {
    min-height: 100vh;
    background: url('/img/litssa_background_img.png') no-repeat center center fixed;
    background-size: cover;
}

    /* soft overlay for readability */
    body::before {
        content: "";
        position: fixed;
        inset: 0;        
        background: rgba(255,255,255,0.85);
        z-index: -1;
    }