.js-show-hide {
  position: relative;
}

.js-show-hide__toggle {
  position: relative;
}

.js-show-hide__toggle:hover {
  cursor: pointer;
}

.js-show-hide__toggle::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-right: 8px solid transparent;
  border-bottom: 8px solid transparent;
}

.js-show-hide__toggle::before,
.js-show-hide--collapsed .js-show-hide__toggle:hover::before {
  left: -28px;
  top: 10px;
  border-left: 8px solid transparent;
  border-top: 8px solid rebeccapurple;
}

.js-show-hide__toggle:hover::before,
.js-show-hide--collapsed .js-show-hide__toggle::before {
  border-left: 8px solid rebeccapurple;
  border-top: 8px solid transparent;
  top: 5px;
  left: -22px;
}

.js-show-hide__target {

}

.js-show-hide--collapsed > .js-show-hide__target {
  display: none;
}