/*  */
.highlight {
  background: linear-gradient(to left, #e6e6fa 0%, #e6e6fa 50%, #fff 50%);
  background-size: 200% 100%;
  background-position: 0 0;
  transition: background-position 2s ease-out, color 0.5s ease;
  color: black !important;
}

.highlight.marked {
  background-position: 100% 0;
}