body{
    background-size: cover;
}

body{
    background-color: white;
    margin: 0px;
    text-align: center;
}

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

html {
    scrollbar-width: none;
    -ms-overflow-style: none; 
}

html { overflow-y: hidden; }