scroll-padding-block-start
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
Thescroll-padding-block-start property defines offsets for the start edge in the block dimension of theoptimal viewing region of the scrollport: the region used as the target region for placing things in view of the user. This allows the author to exclude regions of the scrollport that are obscured by other content (such as fixed-positioned toolbars or sidebars) or to put more breathing room between a targeted element and the edges of the scrollport.
Try it
scroll-padding-block-start: 0;scroll-padding-block-start: 20px;scroll-padding-block-start: 2em;<section> <div> <div>1</div> <div>2</div> <div>3</div> </div> <div>Scroll »</div></section>.default-example .info { inline-size: 100%; padding: 0.5em 0; font-size: 90%; writing-mode: vertical-rl;}.scroller { text-align: left; height: 250px; width: 270px; overflow-y: scroll; display: flex; flex-direction: column; box-sizing: border-box; border: 1px solid black; scroll-snap-type: y mandatory;}.scroller > div { flex: 0 0 250px; background-color: rebeccapurple; color: white; font-size: 30px; display: flex; align-items: center; justify-content: center; scroll-snap-align: start;}.scroller > div:nth-child(even) { background-color: white; color: rebeccapurple;}Syntax
/* Keyword values */scroll-padding-block-start: auto;/* <length> values */scroll-padding-block-start: 10px;scroll-padding-block-start: 1em;scroll-padding-block-start: 10%;/* Global values */scroll-padding-block-start: inherit;scroll-padding-block-start: initial;scroll-padding-block-start: revert;scroll-padding-block-start: revert-layer;scroll-padding-block-start: unset;Values
<length-percentage>An inwards offset from the block start edge of the scrollport, as a valid length or a percentage.
autoThe offset is determined by the user agent. This will generally be 0px, but a user agent is able to detect and do something else if a non-zero value is more appropriate.
Formal definition
| Initial value | auto |
|---|---|
| Applies to | scroll containers |
| Inherited | no |
| Percentages | relative to the scroll container's scrollport |
| Computed value | as specified |
| Animation type | by computed value type |
Formal syntax
scroll-padding-block-start =
auto|
<length-percentage [0,∞]>
<length-percentage> =
<length>|
<percentage>
Specifications
| Specification |
|---|
| CSS Scroll Snap Module Level 1 # padding-longhands-logical |
Browser compatibility
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