amp-story-360.css

amp-story-360 canvas {
  position: absolute; /* fixes Safari bug */
  width: 100% !important;
  height: 100% !important;
}

amp-story-360 amp-img {
  opacity: 0 !important;
}

.i-amphtml-story-360-activate-button {
  position: absolute !important;
  bottom: 12px !important;
  right: 12px !important;
  background: rgba(0, 0, 0, .8) !important;
  color: white !important;
  outline: none !important;
  border: none !important;
  padding: 6px !important;
  padding-left: 10px !important;
  border-radius: 18px !important;
  font-size: 12px !important;
  font-family: 'Roboto', sans-serif !important;
  display: flex !important;
  align-items: center !important;
  z-index: 100000 !important;
  pointer-events: auto !important;
}

.i-amphtml-story-360-activate-button-icon {
  box-sizing: border-box !important;
  margin-left: 5px !important;
  font-size: 6px !important;
  width: 24px !important;
  height: 24px !important;
  border: 1px solid white !important;
  border-radius: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-weight: 700 !important;
  position: relative !important;
}

.i-amphtml-story-360-activate-button-icon-svg {
  position: absolute !important;
  width: calc(100% + 2px) !important;
  height: calc(100% + 2px) !important;
  left: -1px !important;
  top: -1px !important;
}

[active] .i-amphtml-story-360-activate-button-icon-svg {
  animation: rotate 1s 1s !important;
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

.i-amphtml-story-360-discovery {
  pointer-events: none !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 66% !important;
  perspective: 550px !important;
  perspective-origin: center calc(100% - 145px) !important;
  background: linear-gradient(transparent, rgba(0, 0, 0, .9)) !important;
  animation: fadeOut 1s 4s forwards ease-in-out !important;
  z-index: 100000 !important;
}

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

.i-amphtml-story-360-discovery-animation {
  position: absolute !important;
  bottom: 95px !important;
  left: calc(50% - 30px) !important;
  width:  55px !important;
  height: 100px !important;
  border: 1px solid white !important;
  border-radius: 10px !important;
  animation: lookAround 4s !important;
}

.i-amphtml-story-360-discovery-animation:before {
  content: "" !important;
  position: absolute !important;
  border-top: 1px solid white !important;
  width: 10px !important;
  top: 5px !important;
  left: calc(50% - 5px) !important;
}

@keyframes lookAround {
  0% {
    animation-timing-function: ease-in-out;
    transform: rotate3d(0, 0, 0, 0) translate3d(0, 0, 0);
  }
  25% {
    animation-timing-function: ease-in-out;
    transform: rotateY(45deg) rotateX(20deg) translate3d(-100px, 10px, 0);
  }
  50% {
    animation-timing-function: ease-in-out;
    transform:  rotateX(-40deg) translate3d(0, -50px, 0);
  }
  75% {
    animation-timing-function: ease-in-out;
    transform: rotateY(-45deg) rotateX(20deg) translate3d(100px, 10px, 0);
  }
  100% {
    animation-timing-function: ease-in-out;
    transform: rotate3d(0, 0, 0, 0) translate3d(0, 0, 0);
  }
}

.i-amphtml-story-360-discovery-text {
  font-family: 'Roboto', sans-serif !important;
  position: absolute !important;
  bottom: 40px !important;
  width: 100% !important;
  font-size: 16px !important;
  text-align: center !important;
  color: white !important;
}