CSS margin-block-start Property
Example
p {
writing-mode: vertical-lr;
margin-block-start: 20px;
background-color: #1A73E8;
}writing-mode:
Hello World!
Meaning:
The margin-block-start CSS property defines the logical block start margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation.
It corresponds to the margin-top, margin-right, margin-bottom, or margin-left property depending on the values defined for writing-mode, direction, and text-orientation.
| Default value: | 0 |
| Inherited: | No |
| Animatable: | Yes |
| Version: | CSS3 |
| JavaScript syntax: | |
Standard Syntax
margin-block-start: length|auto|%|initial|inherit|revert|revert-layer|unset;Browser Support
Status
Property Values
The following table describes the values of this property:
| Value | Description |
|---|---|
| length | Specifies a margin block start in px, pt, cm, etc. Default value is 0. Negative values are allowed. |
| auto | The browser calculates a margin block start. |
| %(percentage) | Specifies a margin block start in percent of the width of the containing element. |
| initial | Sets this property to its default value. |
| inherit | If specified, the associated element takes the computed value of its parent element animation-delay property. |
| revert | Reverts the cascaded value of the property from its current value to the value the property |
| revert-layer | Rollback styles to the ones specified in previous cascade layers. |
| unset | Resets a property to its inherited value if the property naturally inherits from its parent, and to its initial value if not. |
Default CSS Property Values
selectors {
margin-block-start: 0;
}