Web/CSS/overflow-y

The overflow-y CSS property sets what shows when content overflows a block-level element's top and bottom edges. This may be nothing, a scroll bar, or the overflow content.

Syntax

/* Keyword values */
overflow-y: visible;
overflow-y: hidden;
overflow-y: clip;
overflow-y: scroll;
overflow-y: auto;

/* Global values */
overflow-y: inherit;
overflow-y: initial;
overflow-y: unset;

The overflow-y property is specified as a single keyword chosen from the list of values below.

If overflow-x is hidden, scroll or auto and this property is visible (default) it will implicitly compute to auto.

Values

visible: Content is not clipped and may be rendered outside the padding box's top and bottom edges.
hidden: Content is clipped if necessary to fit vertically in the padding box. No scrollbars are provided.
clip ': Like for hidden, the content is clipped to the element's padding box. The difference between clip and hidden is that the clip keyword also forbids all scrolling, including programmatic scrolling. The box is not a scroll container, and does not start a new formatting context. If you wish to start a new formatting context, you can use display: flow-root to do so.
scroll: Content is clipped if necessary to fit vertically in the padding box. Browsers display scrollbars whether or not any content is actually clipped. (This prevents scrollbars from appearing or disappearing when the content changes.) Printers may still print overflowing content.
auto: Depends on the user agent. If content fits inside the padding box, it looks the same as visible, but still establishes a new block-formatting context. Desktop browsers provide scrollbars if content overflows.

Formal definition

Initial value	`visible`
Applies to	Block-containers, flex containers, and grid containers
Inherited	no
Computed value	as specified, except with `visible`/`clip` computing to `auto`/`hidden` respectively if one of `overflow-x` or `overflow-y` is neither `visible` nor clip
Animation type	discrete

Formal syntax

visible | hidden | clip | scroll | auto

Examples

Setting overflow-y behavior

HTML

<ul>
  <li><code>overflow-y:hidden</code> — hides the text outside the box
  <div id="div1">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
    </div>
  </li>

  <li><code>overflow-y:scroll</code> — always adds a scrollbar
  <div id="div2">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
    </div>
  </li>

  <li><code>overflow-y:visible</code> — displays the text outside the box if needed
  <div id="div3">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
    </div>
  </li>

  <li><code>overflow-y:auto</code> — on most browser, equivalent to <code>scroll</code>
  <div id="div4">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
    </div>
  </li>
</ul>

CSS

#div1,
#div2,
#div3,
#div4 {
  border: 1px solid black;
  width:  250px;
  height: 100px;
}

#div1 { overflow-y: hidden; margin-bottom: 12px;}
#div2 { overflow-y: scroll; margin-bottom: 12px;}
#div3 { overflow-y: visible; margin-bottom: 120px;}
#div4 { overflow-y: auto; margin-bottom: 120px;}

Result

Specifications

Specification	Status	Comment
CSS Overflow Module Level 3The definition of 'overflow-y' in that specification.	Working Draft

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`overflow-y`	Chrome Full support 1	Edge Full support 12	Firefox Full support 3.5	IE Full support 5 Full support 5 Full support 8 Prefixed' Prefixed' Implemented with the vendor prefix: -ms-	Opera Full support 9.5	Safari Full support 3	WebView Android Full support 1	Chrome Android Full support 18	Firefox Android Full support 4	Opera Android Full support 14	Safari iOS Full support 1	Samsung Internet Android Full support 1.0
`clip` value Experimental'	Chrome No support No	Edge No support No	Firefox Full support 81 Full support 81 No support 3.5 — 81 Alternate Name' Alternate Name' Uses the non-standard name: `-moz-hidden-unscrollable`	IE No support No	Opera No support No	Safari No support No	WebView Android No support No	Chrome Android No support No	Firefox Android Full support 81 Full support 81 No support 4 — 81 Alternate Name' Alternate Name' Uses the non-standard name: `-moz-hidden-unscrollable`	Opera Android No support No	Safari iOS No support No	Samsung Internet Android No support No

Legend

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.': Experimental. Expect behavior to change in the future.
Uses a non-standard name.': Uses a non-standard name.
Requires a vendor prefix or different name for use.': Requires a vendor prefix or different name for use.