html,
body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
}
body {
    top:0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}


#main-message {
    opacity: 0.15;
}

#main-message.left-aligned, #main-message.center-aligned {
    color: white;
    font-family: "Times New Roman";
    font-size: 4em;
    opacity: 1;
    transition: 1s all;
  animation: msg-detected 5s;
  animation-fill-mode: both;
}
#main-message.left-aligned {
    width: 100vw;
    padding-left: 50px;
}
@keyframes msg-detected {
  0% {
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}



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

#iFrameA,
#iFrameB {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
#iFrameA {
  z-index: 1;
}
#iFrameB {
  z-index: 2;
}


.pok {
    position: absolute;
    z-index: 10;
    transform: scale(.5);
}

.fadeIn {
  animation: a_in 0.5s;
}

.fadeOut {
  animation: a_out 0.5s;
  animation-fill-mode: forwards;
    width: 0;
    height: 0;
}


@keyframes a_in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes a_out {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}