@keyframes highlight {
  0% {
    background-color: #fff3a0;
  }
  100% {
    background-color: transparent;
  }
}

.highlight {
  animation: highlight 1.2s ease-out;
}

/* tr doesn't have background-color. So apply to td */
tr.highlight td {
  animation: highlight 1.2s ease-out;
}