body {
    margin: 0;
    padding: 0;
    background: linear-gradient(120deg, #23243a 0%, #23243a 60%, #181825 100%);
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#gameCanvas {
    background: #23243a;
    border: 3px solid #ffe066;
    display: block;
    width: 100vw;
    height: 100vh;
    box-shadow: 0 0 40px 0 #000a;
}