@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.line-numbers .line-numbers-rows,
.line-numbers .line-numbers-rows span {
  opacity: 1 !important;
  animation: none !important;
}