*{touch-action:none}
body{background-color: black;}
#canvas{
    border: 2px solid white;
    position: absolute;

    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0); /* mobile webkit */
    margin: 0px;
    margin-block-start: 0px;
    padding: 0px;
    top:50%;
    left:50%;
    transform: translate(-50%, -50%);
}

#title{color: white; text-align: center;width: 100%;}
#subtitle{color: white; text-align: center;width: 100%;}