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

body{
    background:#020816 url("olt-manager-logo.png")
               center center
               / contain
               no-repeat;

}

.hero-bg{
    position:fixed;
    inset:0;

    width:100vw;
    height:100vh;

    object-fit:cover;
    object-position:center;

    display:block;
}