.frame-container {
  position: relative;
  display: grid;
  grid-template-rows: repeat(20, 2.5vh);
  grid-template-columns: repeat(20, 2.5vw);
  transform-style: preserve-3d;
}

.monitor {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-style: preserve-3d;
}

@media only screen and (min-width: 768px) {
  .frame-container {
    animation: rotation 60s infinite linear;
    perspective: 1200px;
    -webkit-perspective: 1200px;
    -moz-perspective: 1200px;
    -ms-perspective: 1200px;
  }
}

@media only screen and (max-width: 768px) {
  .monitor {
    top: -19rem;
    left: 85px;
    opacity: 0.9;
  }
}

@media only screen and (max-width: 340px) {
  .monitor {
    display: none;
  }
}

.camera {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: 500ms;
}

.camera.o-y {
  transform: rotateY(40deg);
}

@media only screen and (max-width: 768px) {
  .camera.o-y {
    transform: rotateY(60deg);
  }
}

.camera.o-x {
  transform: rotateX(40deg);
}

.vr {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 350px;
  height: 350px;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
}
.vr_layer {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  transform: preserve-3d;
}
.vr_layer:nth-child(1) {
  transform: translateZ(-157.5px);
}
.vr_layer:nth-child(1) .vr_layer_item_frame {
  -webkit-animation-delay: -210ms;
  animation-delay: -210ms;
}
.vr_layer:nth-child(2) {
  transform: translateZ(-140px);
}
.vr_layer:nth-child(2) .vr_layer_item_frame {
  -webkit-animation-delay: -420ms;
  animation-delay: -420ms;
}
.vr_layer:nth-child(3) {
  transform: translateZ(-122.5px);
}
.vr_layer:nth-child(3) .vr_layer_item_frame {
  -webkit-animation-delay: -630ms;
  animation-delay: -630ms;
}
.vr_layer:nth-child(4) {
  transform: translateZ(-105px);
}
.vr_layer:nth-child(4) .vr_layer_item_frame {
  -webkit-animation-delay: -840ms;
  animation-delay: -840ms;
}
.vr_layer:nth-child(5) {
  transform: translateZ(-87.5px);
}
.vr_layer:nth-child(5) .vr_layer_item_frame {
  -webkit-animation-delay: -1050ms;
  animation-delay: -1050ms;
}
.vr_layer:nth-child(6) {
  transform: translateZ(-70px);
}
.vr_layer:nth-child(6) .vr_layer_item_frame {
  -webkit-animation-delay: -1260ms;
  animation-delay: -1260ms;
}
.vr_layer:nth-child(7) {
  transform: translateZ(-52.5px);
}
.vr_layer:nth-child(7) .vr_layer_item_frame {
  -webkit-animation-delay: -1470ms;
  animation-delay: -1470ms;
}
.vr_layer:nth-child(8) {
  transform: translateZ(-35px);
}
.vr_layer:nth-child(8) .vr_layer_item_frame {
  -webkit-animation-delay: -1680ms;
  animation-delay: -1680ms;
}
.vr_layer:nth-child(9) {
  transform: translateZ(-17.5px);
}
.vr_layer:nth-child(9) .vr_layer_item_frame {
  -webkit-animation-delay: -1890ms;
  animation-delay: -1890ms;
}
.vr_layer:nth-child(10) {
  transform: translateZ(0px);
}
.vr_layer:nth-child(10) .vr_layer_item_frame {
  -webkit-animation-delay: -2100ms;
  animation-delay: -2100ms;
}
.vr_layer:nth-child(11) {
  transform: translateZ(17.5px);
}
.vr_layer:nth-child(11) .vr_layer_item_frame {
  -webkit-animation-delay: -2310ms;
  animation-delay: -2310ms;
}
.vr_layer:nth-child(12) {
  transform: translateZ(35px);
}
.vr_layer:nth-child(12) .vr_layer_item_frame {
  -webkit-animation-delay: -2520ms;
  animation-delay: -2520ms;
}
.vr_layer:nth-child(13) {
  transform: translateZ(52.5px);
}
.vr_layer:nth-child(13) .vr_layer_item_frame {
  -webkit-animation-delay: -2730ms;
  animation-delay: -2730ms;
}
.vr_layer:nth-child(14) {
  transform: translateZ(70px);
}
.vr_layer:nth-child(14) .vr_layer_item_frame {
  -webkit-animation-delay: -2940ms;
  animation-delay: -2940ms;
}
.vr_layer:nth-child(15) {
  transform: translateZ(87.5px);
}
.vr_layer:nth-child(15) .vr_layer_item_frame {
  -webkit-animation-delay: -3150ms;
  animation-delay: -3150ms;
}

.vr_layer_item_frame {
  width: 80%;
  height: 80%;
  border: 3px solid #fff;
  /* background: rgba(0, 0, 0, 0.05); */
  -webkit-animation: sphere 4000ms cubic-bezier(0.215, 0.61, 0.355, 1) alternate
      infinite,
    color 5000ms linear alternate infinite;
  animation: sphere 4000ms cubic-bezier(0.215, 0.61, 0.355, 1) alternate
      infinite,
    color 5000ms linear alternate infinite;
  transition: 500ms;
}

@media only screen and (max-width: 768px) {
  .vr_layer_item_frame {
    opacity: 0.8;
    width: 17%;
    height: 17%;
  }
}

@-webkit-keyframes sphere {
  0% {
    transform: scale(0) rotateZ(45deg);
  }
  50% {
    transform: scale(0) rotateZ(45deg);
  }
  100% {
    transform: scale(1) rotateZ(45deg);
  }
}

@keyframes sphere {
  0% {
    transform: scale(0) rotateY(45deg);
  }
  100% {
    transform: scale(1.4) rotateY(200deg);
  }
}

@-webkit-keyframes color {
  0% {
    border-color: #f55;
  }
  50% {
    border-color: #55f;
  }
  100% {
    border-color: #5f5;
  }
}

@keyframes color {
  0% {
    border-color: #f55;
  }
  50% {
    border-color: #55f;
  }
  100% {
    border-color: #5f5;
  }
}

@keyframes rotation {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}