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

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: white;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.5%;
}

#playground {
    width: 100%;
    height: 100%;
    background-color: #a8aab8;
    position: relative;
}

#fly {
    width: 6px;
    height: 6px;
    background-color: #151621;
    position: absolute;
    border-radius: 2px;
    /* Positioned by JavaScript */
}

#mobile-warning {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#mobile-warning p {
    font-size: 20px;
    color: #151621;
    text-align: center;
    padding: 20px;
}