.lg-fullscreen {

    // Custom pair rides the same lg-fullscreen-on state as the glyphs.
    &.lg-icon-custom .lg-ci-fullscreen-exit {
        display: none;
    }
    .lg-fullscreen-on &.lg-icon-custom {
        .lg-ci-fullscreen {
            display: none;
        }
        .lg-ci-fullscreen-exit {
            display: inline-flex;
        }
    }
}