.before-after-slider {
  width: 100%;
  position: relative;
  overflow: hidden;
  border: 3px solid white;
}

.after-image {
  display: block;
}

.before-image {
  position: absolute;
  height: 100%;
  width: 50%;
  top: 0;
  left: 0;
  overflow: hidden;
  z-index: 2;
}

.resizer {
  position: absolute;
  display: flex;
  align-items: center;
  z-index: 5;
  top: 0;
  left: 50%;
  height: 100%;
  width: 4px;
  background: white;
  /*Stop vertical scrolling on touch*/
  -ms-touch-action: pan-y;
  touch-action: pan-y;
}

.resizer:after {
  background: linear-gradient(62deg, #005cb9 5%, #1e2a38);
  font-family: 'Font Awesome 5 Free';
  content: '↔';
  font-weight: 900;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  position: absolute;
  margin: 0 0 0 -22px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid white;
}