@navbar-inverse-search-placeholder-color: #ccc;
// Inverted navbar toggle
-@navbar-inverse-toggle-hover-bg: #333;
+@navbar-inverse-toggle-hover-bg: darken(@navbar-inverse-bg, 10%);
@navbar-inverse-toggle-icon-bar-bg: #fff;
-@navbar-inverse-toggle-border-color: #333;
+@navbar-inverse-toggle-border-color: darken(@navbar-inverse-bg, 10%);
// Navs