Z-index Utilities Use our low-level z-index utilities to quickly change the stack level of an element or component. z-40 z-30 z-20 z-10 z-0 Class Properties -z-10 z-index: -10; z-0 z-index: 0; z-10 z-index: 10; z-20 z-index: 20; z-30 z-index: 30; z-40 z-index: 40; z-50 z-index: 50; z-auto z-index: auto;