Z-Index

Controls the element's stack order.

Widely available

This feature is well established and works across many devices and browser versions.

Chrome

Edge

Firefox

Safari

zi-0z-index: 0;

zi-10z-index: 10;

zi-20z-index: 20;

zi-30z-index: 30;

zi-40z-index: 40;

zi-50z-index: 50;

zi-60z-index: 60;

zi-70z-index: 70;

zi-80z-index: 80;

zi-90z-index: 90;

zi-autoz-index: auto;

This example showcases various z-index utilities:

<div class="p-r">
  <div class="ai-c bg-indigo d-30 d-f jc-c p-r zi-10">
    <div class="c-white">A</div>
  </div>
  <div class="ai-c bg-indigo-8 d-15 d-f jc-c l-0 p-a t-0 zi-20">
    <div class="c-white">B</div>
  </div>
</div>

Using utility variants

Learn how to override existing utilities based on the user's screen size or other factors, such as hover states.

Target media queries

You can combine responsive breakpoints like sm:zi-[utility], md:zi-[utility], lg:zi-[utility], and xxl:zi-[utility] to allow targeting specific utilities in different viewports.