margin-block-start

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

* Some parts of this feature may have varying levels of support.

Experimental: Esta es una tecnología experimental
Comprueba la Tabla de compabilidad de navegadores cuidadosamente antes de usarla en producción.

La propiedad de CSS 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.

Pruébalo

margin-block-start: 20px;
writing-mode: horizontal-tb;

margin-block-start: 20px;
writing-mode: vertical-rl;

margin-block-start: 20%;
writing-mode: horizontal-tb;

margin-block-start: auto;
writing-mode: vertical-lr;


  

    
One

    
Two

    
Three

  




#container {
  width: 300px;
  height: 200px;
  display: flex;
  align-content: flex-start;
  flex-direction: column;
  justify-content: flex-start;
}

.row {
  height: 33.33%;
  display: inline-block;
  border: solid #ce7777 10px;
  background-color: #2b3a55;
  color: #ffffff;
  flex-shrink: 0;
}

#example-element {
  border: solid 10px #ffbf00;
  background-color: #2b3a55;
}

Sintaxis

css
/*  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: unset;

Esto corresponde a las propiedades margin-top, margin-right, margin-bottom, o margin-left dependiendo de los valores definidos por writing-mode, direction, y text-orientation.

Se relaciona con margin-block-end, margin-inline-start, and margin-inline-end, que define las otras márgenes del elemento.

Valor inicial0
Applies tosame as margin
Heredableno
Percentagesdepends on layout model
Valor calculadoif specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto
Animation typea length

Valores

La propiedad margin-block-start toma los mismos valores de la propiedad margin-left.

Sintaxis formal

margin-block-start = 
  <'margin-top'>  

 = 
    |
  auto                 |
        

 = 
        |
    

 = 
  anchor-size( [  ||  ]? , ? )  

 = 
    

 = 
  width        |
  height       |
  block        |
  inline       |
  self-block   |
  self-inline

Ejemplo

Contenido HTML

html

  
Example text

Contenido CSS

css
div {
  background-color: yellow;
  width: 120px;
  height: 120px;
}

.exampleText {
  writing-mode: vertical-lr;
  margin-block-start: 20px;
  background-color: #c8c800;
}

Especificaciones

Specification
CSS Logical Properties and Values Level 1
# margin-properties

Compatibilidad con navegadores

Mira también