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/CSS

scroll-padding-block-start

The scroll-padding-block-start property defines offsets for the start edge in the block dimension of the optimal 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.

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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.
auto: The 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

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`scroll-padding-block-start`	69	79	68	No	56	15	69	69	68	48	15	10.0