Less для иконок вкладок и меню навигации

.navigation-icons(@nav-id; @fa-uid; @fa-type: false; @fa-size: false; @color: false) {
    .p-navEl-link,
    .menu-linkRow,
    .offCanvasMenu-link  {
            &[data-nav-id="@{nav-id}"]:before {
                padding-right: 4px;
                & when (@fa-type = false) {
                    .m-faBase();
                }
                & when (@fa-type = Brands) {
                    .m-faBase('Brands');
                }
                & when (isnumber(@fa-size)) {
                    font-size: @fa-size;
                }
                & when (iscolor(@color)) {
                    color: @color;
                }
                content: "\@{fa-uid}";
            }
    }
}

// Иконки Font Awesome в навигацию
/* Главная */
.navigation-icons(home, f046);
/* Форум */
.navigation-icons(forums, f129);
.navigation-icons(newPosts, f086);
.navigation-icons(findThreads, f002);
.navigation-icons(yourThreads, f075);
.navigation-icons(unansweredThreads, f010);
.navigation-icons(contributedThreads, f00e);
.navigation-icons(watched, f06e);
.navigation-icons(watchedThreads, f02e);
.navigation-icons(watchedForums, f02e);
.navigation-icons(searchForums, f00e);
.navigation-icons(markForumsRead, f14a);
//.navigation-icons(markForumsRead, f171, Brands);
/* Ресурс менеджер */
.navigation-icons(xfrm, f019);
.navigation-icons(xfrmLatestReviews, f091);
.navigation-icons(xfrmYourResources, f007);
.navigation-icons(xfrmWatched, f06e);
.navigation-icons(xfrmWatchedResources, f02e);
.navigation-icons(xfrmWatchedCategories, f02e);
.navigation-icons(xfrmSearchResources, f002);
/* Пользователи */
.navigation-icons(members, f0c0);
.navigation-icons(registeredMembers, f234);
.navigation-icons(currentVisitors, f0c0);
.navigation-icons(newProfilePosts, f4ad);
.navigation-icons(searchProfilePosts, f00e);
/* Что нового? */
.navigation-icons(whatsNew, f4b4);
.navigation-icons(whatsNewPosts, f15c);
.navigation-icons(xfrmNewResources, f019);
.navigation-icons(whatsNewProfilePosts, f040);
.navigation-icons(whatsNewNewsFeed, f09e);
.navigation-icons(latestActivity, f06d);