* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #008800;
}

#mainCanvas {
    border-style: dotted;
    border-color: #22222222;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
    max-height: 100%;
    z-index: 1;
}

#googleCastLauncher {
    position: absolute;
    z-index: 2;
    right: 0%;
    top: 0%;
    width: 50px;
    height: 50px;
}