.site-nav ul li a {
  background-image: linear-gradient(-90deg, rgb(11.9097560976, 12.5365853659, 13.7902439024) 0%, rgba(11.9097560976, 12.5365853659, 13.7902439024, 0.8) 80%, rgba(11.9097560976, 12.5365853659, 13.7902439024, 0) 100%);
}