inset

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.

La propiedad de CSS inset define el bloque lógico y las compensaciones de inicio y finalización en línea de un elemento, que se asignan a las compensaciones físicas en función del modo de escritura, la direccionalidad y la orientación del texto del elemento. Corresponde a las propiedades top y bottom, o right y left dependiendo de las propiedades en los valores definidos para modo de escritura, dirección y orientación de texto.

css

/* <length> values */
inset: 3px 10px 3px 10px;
inset: 2.4em 3em 3em 3em;
inset: 10px; /* value applied to all edges */

/* <percentage>s of the width or height of the containing block */
inset: 10% 5% 5% 5%;

/* Keyword value */
inset: auto;

/* Global values */
inset: inherit;
inset: initial;
inset: unset;

Valor inicial	as each of the properties of the shorthand: `top`: `auto` `bottom`: `auto` `left`: `auto` `right`: `auto`
Applies to	positioned elements
Heredable	no
Percentages	relative to the containing block's size in the corresponding axis (e.g. width for left or right, height for top or bottom)
Valor calculado	as each of the properties of the shorthand: `top`: if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, `auto` `bottom`: if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, `auto` `left`: if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, `auto` `right`: if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, `auto`
Animation type	a length, percentage or calc();

inset = 
  <'top'>{1,4}  

<top> = 
  auto                 |
  <length-percentage>  |
  <anchor()>           |
  <anchor-size()>      

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

<anchor()> = 
  anchor( <anchor-name>?                  &&
  <anchor-side> , <length-percentage>? )  

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

<anchor-name> = 
  <dashed-ident>  

<anchor-side> = 
  inside        |
  outside       |
  top           |
  left          |
  right         |
  bottom        |
  start         |
  end           |
  self-start    |
  self-end      |
  <percentage>  |
  center        

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

Ejemplo

Contenido HTML

html

<div>
  <p class="exampleText">Example text</p>
</div>

Contenido CSS

css

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

.exampleText {
  writing-mode: vertical-lr;
  position: relative;
  inset: 20px 50px 30px 10px;
  background-color: #c8c800;
}