html,
body {
  margin: 0;
  padding: 0;
}

body {
    margin: 0;
    background-color: #000;
    color: #fff;
    font-family: Helvetica, Arial, sans-serif;
    overflow: hidden; /* disable scrolling / rubberband effect on mobile */
}

canvas {
    display: block;
    position: absolute;
    outline:0;
}

* {
    /* disable on touch highlights of html elements, especially on mobile! */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}