margin-block-start | CSS CSS Properties

A logical property that sets the margin at the 'start' of the block axis (usually the 'top' in English). It's the logical replacement for 'margin-top'.

Quick example

article {
  /* Adds space at the top in a logical way */
  margin-block-start: 3rem;
}

Quick facts

Initial value

0

Inherited

Applies to

same as margin

Animation type

length

Values

top

margin-block-start Browser Support

Widely availableSince 202195% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2021.

Safe to use without fallbacks.

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