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
/* 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 inicial | 0 |
---|---|
Applies to | same as margin |
Heredable | no |
Percentages | depends on layout model |
Valor calculado | if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto |
Animation type | a length |
Valores
La propiedad margin-block-start
toma los mismos valores de la propiedad margin-left
.
Sintaxis formal
Ejemplo
Contenido HTML
Example text
Contenido 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
- Las propiedades físicas mapeadas:
margin-top
,margin-right
,margin-bottom
, ymargin-left
writing-mode
,direction
,text-orientation