.image_gallery {
  display: inline-block;
  width: 60vw;
  height: 36vw;
  position: relative;
  background-color: #ddd;
  overflow: hidden;
  border-radius: 2vh;
}

.image_item {
  display: inline-block;
  width: 0;
  height: 0;
  position: absolute;
  top: 18vw;
  left: 30vw;
  transition: .2s;
  background-color: #000;
}

.image_item video {
  width: 100%;
  height: 100%;
}

.current_image {
  width: 60vw;
  height: 36vw;
  position: absolute;
  top: 0;
  left: 0;
}

.controllers {
  position: absolute;
  top: 0;
}

.controllers aside {
  display: inline-grid;
  height: 10vw;
  width: 5vh;
  align-items: center;
  background-color: rgba(255, 255, 255, .4);
  transition: .2s;
}

.image_container:hover .controllers aside {
  background-color: rgba(255, 255, 255, .7);
}

.controllers aside:hover {
  background-color: rgba(255, 255, 255, .9) !important;
}

.controllers aside img {
  width: 3vh;
  margin: 1vh;
}

.previous_btn {
  position: absolute;
  top: 12vw;
  left: 0;
  border-top-right-radius: 1vh;
  border-bottom-right-radius: 1vh;
}

.next_btn {
  position: absolute;
  top: 12vw;
  left: calc(60vw - 5vh + 1px);
  border-top-left-radius: 1vh;
  border-bottom-left-radius: 1vh;
}

@media screen and (max-width: 100vh) {
  .image_gallery {
    width: 84vw;
    height: 50vw;
  }

  .image_item {
    left: 0vw;
    top: 0vw;
    transition: 0s;
  }

  .current_image {
    width: 84vw;
    height: 50vw;
  }

  .controllers aside {
    display: inline-grid;
    height: 23vw;
    width: 5vh;
  }

  .next_btn {
    left: calc(84vw - 5vh + 1px);
  }
}