# What is z-index? \[..::CSS::..\]

**URL:** https://forum.kirupa.com/t/what-is-z-index-css/248953
**Category:** Uncategorized
**Created:** [January 13, 2008, 10:58pm UTC](https://forum.kirupa.com/t/what-is-z-index-css/248953 "2008-01-13T22:58:04Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![chrisclick](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/chrisclick/32/1991_2.png) [@chrisclick](https://forum.kirupa.com/u/chrisclick)
#### Post date: [January 13, 2008, 10:58pm UTC](https://forum.kirupa.com/t/what-is-z-index-css/248953/1 "2008-01-13T22:58:04Z")

</div>

Could any one explain to me what z-index is?

what does it do? would it benefit me? is it used quite often?

Thank you!

Chris