* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: 000;
}

#mainContainer {
  position: relative;
  width: 100vw;
  height: 100vh;
}

#content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#contentElement {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#playButton {
  margin-top:10px;
  vertical-align: top;
  width: 350px;
  height: 60px;
  padding: 0;
  font-size: 22px;
  color: white;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  background: #2c3e50;
  border: 0;
  border-bottom: 2px solid #22303f;
  cursor: pointer;
  -webkit-box-shadow: inset 0 -2px #22303f;
  box-shadow: inset 0 -2px #22303f;
}
/* [END player_css] */

/* [START ad_container_css] */
#adContainer {
  position: absolute;
  top: 0;
  left: 0;
  width: 640px;
  height: 360px;
}
/* [END ad_container_css] */