block-size

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.

* 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 block-size CSS define el tamaño horizontal o vertical de los elementos en bloque, dependiendo de los modos de escritura. estos corresponden ya sea a la propiedad width o la propiedad height, dependiendo de los valores de writing-mode.

Pruébalo

Resumen

La propiedad de CSS block-size define el tamaño horizontal y vertical del bloque de un elemento, dependiendo de su modo de escritura. Corresponde a la propiedad width o height, dependiendo del valor definido en writing-mode.

Si el modo de escritura está orientado verticalmente, el valor de block-size se relaciona con la anchura del elemento, de lo contrario, se relaciona con la altura del elemento. Está relacionada con inline-size, la cual define las otras dimensiones del elemento.

Valor inicialauto
Applies tosame as width and height
Heredableno
Percentagesblock-size of containing block
Valor calculadosame as width and height
Animation typea length, percentage or calc();

Sintaxis

css
/* <length> values */
block-size: 300px;
block-size: 25em;

/* <percentage> values */
block-size: 75%;

/* Keyword values */
block-size: 25em border-box;
block-size: 75% content-box;
block-size: max-content;
block-size: min-content;
block-size: available;
block-size: fit-content;
block-size: auto;

/* Global values */
block-size: inherit;
block-size: initial;
block-size: unset;

Valores

La propiedad block-size toma los mismos valores que las propiedades width y height.

Sintaxis formal

block-size = 
<'width'>

<width> =
auto |
<length-percentage [0,∞]> |
min-content |
max-content |
fit-content( <length-percentage [0,∞]> ) |
<calc-size()> |
<anchor-size()>

<length-percentage> =
<length> |
<percentage>

<calc-size()> =
calc-size( <calc-size-basis> , <calc-sum> )

<anchor-size()> =
anchor-size( [ <anchor-name> || <anchor-size> ]? , <length-percentage>? )

<calc-size-basis> =
<intrinsic-size-keyword> |
<calc-size()> |
any |
<calc-sum>

<calc-sum> =
<calc-product> [ [ '+' | '-' ] <calc-product> ]*

<anchor-name> =
<dashed-ident>

<anchor-size> =
width |
height |
block |
inline |
self-block |
self-inline

<calc-product> =
<calc-value> [ [ '*' | '/' ] <calc-value> ]*

<calc-value> =
<number> |
<dimension> |
<percentage> |
<calc-keyword> |
( <calc-sum> )

<calc-keyword> =
e |
pi |
infinity |
-infinity |
NaN

Ejemplo

Contenido HTML

html
<p class="texto">Texto de ejemplo</p>

Contenido CSS

css
.texto {
  writing-mode: vertical-rl;
  background-color: yellow;
  block-size: 200px;
}

Especificaciones

Specification
CSS Logical Properties and Values Level 1
# dimension-properties
CSS Box Sizing Module Level 4
# sizing-values

Compatibilidad con navegadores

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
block-size
anchor-size()
Experimental
fit-content
fit-content()
Experimental
max-content
min-content

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
See implementation notes.
User must explicitly enable this feature.
Uses a non-standard name.
Requires a vendor prefix or different name for use.
Has more compatibility info.

Véase también