RootPanel/plugin/shadowsocks/static/style/layout.less

body {
  > header {
    background: #1c9b47;

    nav.navbar-inverse {
      background: #1c9b47;
    }

    .navbar-inverse {
      .navbar-nav > .active > a, .navbar-nav > .active > a:hover, .navbar-nav > .active > a:focus {
        background: #18813f;
      }
    }
  }
}