* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background: #f9fe76;
    color: black;
    overflow: hidden;
}

#myVideo {
    border: 0;
    margin: 0 auto;
    background: #f9fe76;
    color: black;
    outline: none;
    width: auto !important;
    height: 100%;
    user-select: none;
}

@media (orientation: landscape) {
    #myVideo {
        width: calc(100vh * 0.5625) !important;
height: 100%;
    }
}