#myVideo {
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%;
  min-height: 100%;
}

#grid{
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%;
  min-height: 100%;
  background: rgba(0, 0, 0, 0.3);
}

.login-box {
  position: relative;
  bottom: 0;
  /*background: rgba(0, 0, 0, 0.5);*/
}