html {
    min-height: calc(100% + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);

    background-attachment: fixed;
    background-color: #687fac;
    background-image: url('../images/rocket.gif');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}