.site-nav ul li a {
  background-image: linear-gradient(-90deg, rgb(233.3368421053, 242.3631578947, 242.3631578947) 0%, rgba(233.3368421053, 242.3631578947, 242.3631578947, 0.8) 80%, rgba(233.3368421053, 242.3631578947, 242.3631578947, 0) 100%);
}