#drupal-off-canvas .inline-block-list li a:hover:after {
  background-image: url('/modules/custom/content_block_preview/assets/preview-white.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  content: '';
  display: block;
  max-width: 25px;
  width: 25px;
  height: 25px;
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  z-index: 99999999;
  pointer-events: all;
}