vote/skins/six.scss

.six {
  --primary-color: #1f1f1f;
  --bg-color: #131313;
  --text-color: white;
  --link-color: white;
  --heading-color: white;
  --border-color: #373737;
  --header-bg: #131313;

  #navbar .router-link-exact-active,
  #navbar .router-link-active {
    font-size: 0 !important;
    line-height: 0;
    width: 0;
    height: 0;
    display: none;
  }
}