* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

body {
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    position: fixed;
    width: 100%;
    height: 100%;
    touch-action: none;
    background: #000;
}

#oceanCanvas {
    display: block;
    width: 100vw;
    height: 100vh;
    cursor: grab;
    touch-action: none;
}

#oceanCanvas:active {
    cursor: grabbing;
}