.site-nav ul li a {
  background-image: linear-gradient(-90deg, rgb(11.0886363636, 11.0886363636, 17.6113636364) 0%, rgba(11.0886363636, 11.0886363636, 17.6113636364, 0.8) 80%, rgba(11.0886363636, 11.0886363636, 17.6113636364, 0) 100%);
}