* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial;
  font-size: 17px;
  background-color: black
}

/* Style the video to cover the entire window */
video {
  position: fixed;
  width: 100%    !important;
  height: auto   !important;
  z-index: -1;
  background-color:white;
  object-fit: scale;
}

/* Add some content at the top of the video */
.control {
  position: fixed;
  width: 100%;
  padding: 30px;
  padding-top: 40px;
}

/* Style the button used to call/hangup */
button {
  width: 100px;
  height: 30px;
  border: none;
  background: rgb(255, 144, 0);
  color: #fff;
  cursor: pointer;
  font-size: small;
  -webkit-appearance: none;
}

button:hover {
  background: rgb(20, 20, 0);
  color: white;
}

button:disabled {
  background: rgb(150, 150, 150);
  color: white;
}