.container {
  position: relative;
}

.childWrapper {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: inherit;
}

.slider {
  position: absolute;
  opacity: 0.5;
  transition: opacity 0.3s;
  width: var(--resizer-width, 16px);
  inset-block-end: 0;
  inset-block-start: 0;
  inset-inline-start: 100%;
}

.slider:hover {
  opacity: 1;
}

.slider:hover .toggleButton {
  opacity: 1;
  z-index: 10;
}

.slider.right,
.slider.left {
  top: 0;
  bottom: 0;
  cursor: ew-resize;
}

.slider.right {
  right: 0;
}

.slider.left {
  left: 0;
  transform: translateX(-100%);
}

.slider.top,
.slider.bottom {
  left: 0;
  right: 0;
  height: var(--resizer-width, 16px);
  cursor: ns-resize;
  width: 100%;
}

.slider.top {
  left: 50%;
  transform: translate(-50%, 100%);
  top: auto;
}

.slider.bottom {
  left: 50%;
  transform: translate(-50%, -100%);
  bottom: auto;
}

.resizer {
  width: 100%;
  height: 100%;
  cursor: inherit;
}

.resizer span {
  display: block;
  width: 3px;
  height: 100%;
  background-color: transparent;
  transition: background-color 0.3s;
}

.resizer:hover span {
  background-color: lightblue;
}

.animating {
  transition-property: width, height;
}

.shadow {
  position: absolute;
  background-color: var(--resizer-color, hsl(214, 10%, 93%));
}

.right .shadow,
.left .shadow {
  top: 0;
  bottom: 0;
  width: 3px;
  height: 100%;
}

.left .shadow {
  left: var(--resizer-width, 16px);
}

.toggleButton {
  position: absolute;
  background: none;
  border: none;
  color: #fff;
  background-color: var(--primary-color, hsl(0, 0%, 16%));
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  width: 20px;
  height: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

.toggleButton.hidden {
  opacity: 0;
}

.toggleButton:hover {
  color: hsla(0, 0%, 16%, 0.741);
}

.right .toggleButton,
.left .toggleButton {
  top: 1rem;
}

.right .toggleButton {
  transform: translateX(-49%);
}

.left .toggleButton {
  transform: translateX(calc(-49% + var(--resizer-width, 16px)));
}

.top .toggleButton,
.bottom .toggleButton {
  left: 50%;
  transform: translateX(-50%);
}

.top .toggleButton {
  bottom: 50%;
}

.bottom .toggleButton {
  top: 50%;
}