* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  -ms-content-zooming: none;
}

html, body {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 16px;
  background-color: #000;
  color: #000;
}

#pano {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
#video {
  z-index: 10000;
  text-align: center;
}
.responsive {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-color: #141B17;
}
.responsive button{
  padding: 0 12px 0;
  text-align: center;
  font-size: larger;
  float:right;
  display:block;
  height: 70px;
  width: 70px;
}
.responsive-iframe {
  position: relative;
  top: 5%;
  left: 0;
  bottom: 0;
  right: 0;
  width: 90%;
  height: 90%;
}
.responsive button:after {
  font-size: xxx-large;
  display: inline-block;
  content: "\00d7"; /* This will render the 'X' */
}
.responsive button:hover {
  background-color:#252994;
}