text-indent - CSS: Cascading Style Sheets 编辑

The text-indent CSS property sets the length of empty space (indentation) that is put before lines of text in a block.

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Horizontal spacing is with respect to the left (or right, for right-to-left layout) edge of the containing block-level element's content box.

Syntax

/* <length> values */
text-indent: 3mm;
text-indent: 40px;

/* <percentage> value
   relative to the containing block width */
text-indent: 15%;

/* Keyword values */
text-indent: 5em each-line;
text-indent: 5em hanging;
text-indent: 5em hanging each-line;

/* Global values */
text-indent: inherit;
text-indent: initial;
text-indent: unset;

Values

<length>

Indentation is specified as an absolute <length>. Negative values are allowed. See <length> values for possible units.

<percentage>

Indentation is a <percentage> of the containing block's width.

each-line

Indentation affects the first line of the block container as well as each line after a forced line break, but does not affect lines after a soft wrap break.

hanging

Inverts which lines are indented. All lines except the first line will be indented.

Formal definition

Formal syntax

<length-percentage> && hanging? && each-line?
where 
<length-percentage> = <length> | <percentage>

Examples

Simple indent

HTML

<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy
    nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.</p>
<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy
    nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.</p>

CSS

p {
  text-indent: 5em;
  background: powderblue;
}

Result

Percentage indent

HTML

<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy
    nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.</p>
<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy
    nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.</p>

CSS

p {
  text-indent: 30%;
  background: plum;
}

Result

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Learn to style HTML using CSS
• Related CSS properties:
  • text-justify
  • text-orientation
  • text-overflow
  • text-rendering
  • text-transform
• CSS Text Decoration CSS module
• CSS Text module