<!DOCTYPE html> <html> <meta charset="utf-8"> <title>CSS Overflow: test scrollbar-gutter with vertical left to right content</title> <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> <link rel="help" href="https://drafts.csswg.org/css-overflow-4/#scrollbar-gutter-property"> <link rel="match" href="scrollbar-gutter-vertical-lr-002-ref.html"> <style> .line { display: flex; } .container { writing-mode: vertical-lr; block-size: 200px; inline-size: 200px; margin: 10px; background: deepskyblue; resize: both; } .content { inline-size: 100%; block-size: 200%; background: lightsalmon; } </style> <div class="line"> <div class="container" style="overflow-x: auto; scrollbar-gutter: stable"> <div class="content"></div> </div> <div class="container" style="overflow-x: scroll; scrollbar-gutter: stable"> <div class="content"></div> </div> <div class="container" style="overflow-x: hidden; scrollbar-gutter: stable"> <div class="content"></div> </div> </div> <div class="line"> <div class="container" style="overflow-x: auto; scrollbar-gutter: stable both-edges"> <div class="content"></div> </div> <div class="container" style="overflow-x: scroll; scrollbar-gutter: stable both-edges"> <div class="content"></div> </div> <div class="container" style="overflow-x: hidden; scrollbar-gutter: stable both-edges"> <div class="content"></div> </div> </div> </html>