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 available Since 2021 95% 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.

View on caniuse.com → View on MDN → View on webstatus.dev → Learn more about Baseline →

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