// Variables $spacer-lg: 3rem; $spacer-sm: 1.5rem; $layout-spacer-lg: 3rem; $layout-spacer-x: 1.5rem; $app-sidebar-width: 250px; $app-sidebar-width-collapsed: 80px; $logo-height: 23px; $logo-width: 97px; $app-header-height: 60px;