.site-nav ul li a {
  background-image: linear-gradient(-90deg, rgb(38.5846153846, 24.1153846154, 24.1153846154) 0%, rgba(38.5846153846, 24.1153846154, 24.1153846154, 0.8) 80%, rgba(38.5846153846, 24.1153846154, 24.1153846154, 0) 100%);
}