chromium/src/third_party/blink/web_tests/external/wpt/css/css-grid/reference/grid-container-auto-margins-scrollbars-001-ref.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <style>
 body {
    position: relative;
    height: 100vh;
 }
 .item1 {
    width: fit-content;
    width: -moz-fit-content;
    margin: 0px auto;
 }
 .item2 {
    position: absolute;
    bottom: 0;
    background-color: cyan;
    height: 50px;
    width: 100%;
 }
 </style>
 <div class="item1">item1</div>
 <div class="item2">item2</div>
	<!DOCTYPE html>
	<style>
	body {
	position: relative;
	height: 100vh;
	}
	.item1 {
	width: fit-content;
	width: -moz-fit-content;
	margin: 0px auto;
	}
	.item2 {
	position: absolute;
	bottom: 0;
	background-color: cyan;
	height: 50px;
	width: 100%;
	}
	</style>
	<div class="item1">item1</div>
	<div class="item2">item2</div>