html {
  background: #000000;
  color: #e5e5e5;
  text-align: center;
}

body {
  overflow-x: hidden;
}

#video-box {
  position: fixed;
  top: 0px;
  left: 0px;
  width:100%;
  height:100%;
  background-color: rgb(0, 0, 0);
  /*
  background-image: url('../img/logo-big-white.png');
  background-position: center;
  background-size: 40%;
  background-repeat: no-repeat;
  */
  -webkit-touch-callout: none;
  -webkit-text-size-adjust: none;
  overflow: hidden;
  cursor: pointer;
}

#video-bg {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 100%;
  width: 177.77777778vh;   /*  16/9   =>   100 * 16 / 9   */
  min-width: 100%;
  min-height: 56.25vw;     /*  16/9   =>   100 * 9 / 16   */
  left: 50%;
}