CSS margin-block-start Property
Example
Set the margin at the start in the block direction:
div {
margin-block-start: 35px;
}
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The margin-block-start property specifies the margin at the start in the block direction.
The CSS
margin-block and
margin-inline properties are very similar to CSS properties
margin-top,
margin-bottom,
margin-left and
margin-right, but the
margin-block and
margin-inline properties are dependent on block and inline directions.
Note: The related CSS property writing-mode defines block direction. This affects where the start and end of a block is and the result of the margin-block-start property. For pages in English, block direction is downward and inline direction is left to right.
| Default value: | auto |
|---|---|
| Inherited: | no |
| Animatable: | yes. Read about animatable Try it |
| Version: | CSS3 |
| JavaScript syntax: | object.style.marginBlockStart="100px" Try it |
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
| Property | |||||
|---|---|---|---|---|---|
| margin-block-start | 87.0 | 87.0 | 41.0 | 12.1 | 73.0 |
CSS Syntax
margin-block-start: auto|value|initial|inherit;
Property Values
| Value | Description | Demo |
|---|---|---|
| auto | Default. The element's default margin distance. | Demo ❯ |
| length | Specifies distance in px, pt, cm, etc. Negative values are allowed. Read about length units | Demo ❯ |
| % | Specifies distance in percent relative to size of parent element in the inline direction. | Demo ❯ |
| initial | Sets this property to its default value. Read about initial | |
| inherit | Inherits this property from its parent element. Read about inherit |
More Examples
Example
With the writing-mode property value of a <div> element set to vertical-rl, the block direction is right to left. The result is that the start of the element is moved from top to right side. So, a change in writing-mode also changes the effect from margin-block-start:
#parentDiv {
writing-mode: vertical-rl;
}
#myDiv {
margin-block-start: 50px;
}
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Related Pages
CSS margin-block property: CSS Margin-block property
CSS margin-block-end property: CSS Margin-block-end property
CSS margin-bottom property: CSS Margin-bottom property
CSS margin-inline property: CSS Margin-inline
CSS margin-left property: CSS Margin-left
CSS margin-right property: CSS Margin-right
CSS margin-top property: CSS Margin-top
CSS writing-mode property: CSS Writing-mode property