.mw-echo-ui-datedNotificationsWidget { min-height: 5em; // We want everything inside the widget to be // pending/transparent, but not the widget itself // because otherwise, the background pending animation // is also transparent. &.oo-ui-pendingElement-pending > * { opacity: 0.5; } .mw-echo-ui-subGroupListWidget { // This is a hack to make sure that this widget // is the nearest scrollable widget for the submenus overflow-y: auto; &-header { border-bottom: 1px #ccc solid; margin-bottom: 0.5em; } } }