padding-block-start - CSS: Cascading Style Sheets 编辑

The padding-block-start CSS property defines the logical block start padding of an element, which maps to a physical padding depending on the element's writing mode, directionality, and text orientation.

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Syntax

/* <length> values */
padding-block-start: 10px;      /* An absolute length */
padding-block-start: 1em;       /* A length relative to the text size */

/* <percentage> value */
padding-block-start: 5%;        /* A padding relative to the block container's width */

/* Global values */
padding-block-start: inherit;
padding-block-start: initial;
padding-block-start: unset;

Values

The padding-block-start property takes the same values as the padding-left property.

Description

This property corresponds to the padding-top, padding-right, padding-bottom, or padding-left property depending on the values defined for writing-mode, direction, and text-orientation.

It relates to padding-block-end, padding-inline-start, and padding-inline-end, which define the other paddings of the element.

Formal definition

Formal syntax

<'padding-left'>

Examples

Setting block start padding for vertical text

HTML

<div>
  <p class="exampleText">Example text</p>
</div>

CSS

div {
  background-color: yellow;
  width: 120px;
  height: 120px;
}

.exampleText {
  writing-mode: vertical-lr;
  padding-block-start: 20px;
  background-color: #C8C800;
}

Result

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• The mapped physical properties: padding-top, padding-right, padding-bottom, and padding-left
• writing-mode, direction, text-orientation