margin-block-start
Quick Summary for margin-block-start
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.
Code Usage for margin-block-start
<pre class="brush: css notranslate"><code><span class="token comment">/ <length> values /</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> 10px<span class="token punctuation">;</span> <span class="token comment">/ An absolute length /</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> 1em<span class="token punctuation">;</span> <span class="token comment">/ relative to the text size /</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> 5%<span class="token punctuation">;</span> <span class="token comment">/ relative to the nearest block container's width /</span> <span class="token comment">/ Keyword values /</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> auto<span class="token punctuation">;</span> <span class="token comment">/ Global values /</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> inherit<span class="token punctuation">;</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> initial<span class="token punctuation">;</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> revert<span class="token punctuation">;</span> <span class="token property">margin-block-start</span><span class="token punctuation">:</span> unset<span class="token punctuation">;</span> </code></pre>
More Details for margin-block-start
margin-block-start
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.
Syntax
/* <length> values */ margin-block-start: 10px; /* An absolute length */ margin-block-start: 1em; /* relative to the text size */ margin-block-start: 5%; /* relative to the nearest block container's width */ /* Keyword values */ margin-block-start: auto; /* Global values */ margin-block-start: inherit; margin-block-start: initial; margin-block-start: revert; margin-block-start: unset; 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.
It relates to margin-block-end, margin-inline-start, and margin-inline-end, which define the other margins of the element.
Values
The margin-block-start property takes the same values as the margin-left property.
Formal definition
| Initial value | 0 |
|---|---|
| Applies to | same as margin |
| Inherited | no |
| Percentages | depends on layout model |
| Computed value | if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto |
| Animation type | a length |
Formal syntax
<'margin-left'>
Examples
Setting block start margin
HTML<div> <p class="exampleText">Example text</p> </div> div { background-color: yellow; width: 120px; height: 120px; } .exampleText { writing-mode: vertical-lr; margin-block-start: 20px; background-color: #c8c800; } Specifications
| Specification |
|---|
| CSS Logical Properties and Values Level 1 # margin-properties |
See also
The mapped physical properties:margin-top, margin-right, margin-bottom, and margin-left writing-mode, direction, text-orientation Last modified: Aug 12, 2021, by MDN contributors
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