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Css Scrollbar-width Example


The scrollbar-width property allows the author to set the maximum thickness of an element’s scrollbars when they are shown.























Initial valueauto
Applies toscrolling boxes
Inheritedno
Computed valueas specified
Animation typediscrete

Syntax


/* Keyword values */
scrollbar-width: auto;
scrollbar-width: thin;
scrollbar-width: none;

/* Global values */
scrollbar-width: inherit;
scrollbar-width: initial;
scrollbar-width: unset;

Values


<scrollbar-width>
Defines the width of the scrollbar as a keyword. It must be one of the following values:
auto The default scrollbar width for the platform.
thin A thin scrollbar width variant on platforms that provide that option, or a thinner scrollbar than the default platform scrollbar width.
none No scrollbar shown, however the element will still be scrollable.

Note: User Agents must apply any scrollbar-width value set on the root element to the viewport.


Accessibility concerns


Use this property with caution — setting scrollbar-width to thin or none can make content hard or impossible to scroll if the author does not provide an alternative scrolling mechanism. While swiping gestures or mouse wheels can enable scrolling on such content, some devices have no scroll alternative.

WCAG criterion 2.1.1 (Keyboard) has been in place for a long time to advise on basic keyboard accessibility, and this should include scrolling of content areas. And introduced in WCAG 2.1, criterion 2.5.5 (Target Size) advises that touch targets should be at least 44px in width and height (although the problem is compounded on high-resolution screens; thorough testing is advised).


Formal definition























Initial valueauto
Applies toscrolling boxes
Inheritedno
Computed valueas specified
Animation typediscrete

Formal syntax


auto | thin | none

Examples


Sizing overflow scrollbars


CSS

.scroller {
  width: 300px;
  height: 100px;
  overflow-y: scroll;
  scrollbar-width: thin;
}

HTML

<div class="scroller">Veggies es bonus vobis, proinde vos postulo essum magis kohlrabi welsh onion daikon amaranth tatsoi tomatillo melon azuki bean garlic. Gumbo beet greens corn soko endive gumbo gourd. Parsley shallot courgette tatsoi pea sprouts fava bean collard greens dandelion okra wakame tomato. Dandelion cucumber earthnut pea peanut soko zucchini.</div>

Result


Specifications


Specification Status Comment
CSS Scrollbars Level 1
The definition of 'scrollbar-width' in that specification.		 Working Draft Initial Definition

Browser compatibility








































DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariWebView AndroidChrome AndroidFirefox for AndroidOpera AndroidSafari on IOSSamsung Internet
scrollbar-width
No
No
64
No
No
No
No
No
64
No
No
No

See also




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