body {
  font-family: sans-serif;
}

.container {
  position: relative;
  width: 1000px;
  height: 720px;
  overflow: hidden;
  border: 2px solid #ccc;
  user-select: none;
  touch-action: none;
}

.half {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.half img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-drag: none;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.label {
  position: absolute;
  color: white;
  background-color: rgba(0, 0, 0, 0.6);
  padding: 6px 12px;
  font-size: 20px;
  font-weight: bold;
  border-radius: 5px;
  text-shadow: 1px 1px 2px black;
  user-select: none;
  pointer-events: none;
}

.label.front {
  bottom: 15px;
  left: 15px;
}

.label.back {
  bottom: 15px;
  right: 15px;
}

.slider-handle {
  position: absolute;
  top: 0;
  width: 4px;
  height: 100%;
  background: red;
  cursor: ew-resize;
  z-index: 3;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  align-items: center;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 20px;
  font-weight: bold;
  pointer-events: none;
  text-shadow: 1px 1px 3px black;
}

.slider-arrow.left {
  left: -25px;
}

.slider-arrow.right {
  right: -25px;
}