line-height-step

Experimental: This is an experimental technologyCheck the Browser compatibility table carefully before using this in production. The line-height-step CSS property sets the step unit for line box heights. When the property is set, line box heights are rounded up to the closest multiple of the unit. /* Point values */
line-height-step: 18pt;

/* Global values */
line-height-step: inherit;
line-height-step: initial;
line-height-step: revert;
line-height-step: revert-layer;
line-height-step: unset;


Syntax

The line-height-step property is specified as any one of the following:  a <length>. 
Values
 <length>  The specified <length> is used in the calculation of the line box height step.  Formal definition


Initial value
0


Applies to
block containers


Inherited
yes


Computed value
absolute <length>



Animation type
discrete

Formal syntax
line-height-step =   <length [0,∞]>  Examples
Setting step unit for line box height

In the following example, the height of line box in each paragraph is rounded up to the step unit. The line box in <h1> does not fit into one step unit and thus occupies two, but it is still centered within the two step unit. :root {
  font-size: 12pt;
  --my-grid: 18pt;
  line-height-step: var(--my-grid);
}
h1 {
  font-size: 20pt;
  margin-top: calc(2 * var(--my-grid));
}
 The result of these rules is shown below in the following screenshot:   
Specifications

Specification
CSS Rhythmic Sizing # line-height-step

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



line-height-step
60
79
No
No
47
No
No
60
No
No
No
No


See also
 font font-size line-height 

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Last modified: Aug 28, 2022, by MDN contributors


    
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