Atributo de medios HTML <enlace>
Ejemplo
Dos hojas de estilo diferentes para dos tipos de medios diferentes (pantalla e impresión):
<head>
<link rel="stylesheet" type="text/css" href="theme.css">
<link rel="stylesheet" type="text/css" href="print.css" media="print">
</head>
Definición y uso
El media
atributo especifica para qué medio/dispositivo está optimizado el recurso de destino.
Este atributo se usa principalmente con hojas de estilo CSS para especificar diferentes estilos para diferentes tipos de medios.
El media
atributo puede aceptar varios valores.
Compatibilidad con navegador
Attribute | |||||
---|---|---|---|---|---|
media | Yes | Yes | Yes | Yes | Yes |
Sintaxis
<link media="value">
Posibles operadores
Value | Description |
---|---|
and | Specifies an AND operator |
not | Specifies a NOT operator |
, | Specifies an OR operator |
Dispositivos
Value | Description |
---|---|
all | Default. Used for all media type devices |
Used for Print preview mode/printed pages | |
screen | Used for computer screens, tablets, smart-phones etc. |
speech | Used for screenreaders that "reads" the page out loud |
aural | Deprecated. Speech synthesizers |
braille | Deprecated. Braille feedback devices |
handheld | Deprecated. Handheld devices (small screen, limited bandwidth) |
projection | Deprecated. Projectors |
tty | Deprecated. Teletypes and similar media using a fixed-pitch character grid |
tv | Deprecated. Television type devices (low resolution, limited scroll ability) |
Valores
Value | Description |
---|---|
aspect-ratio | Specifies the width/height ratio of the targeted display area. "min-" and "max-" prefixes can be used. Example: media="screen and (max-aspect-ratio:16/9)" |
color | Specifies the bits per color of target display. "min-" and "max-" prefixes can be used. Example: media="screen and (min-color:3)" |
color-index | Specifies the number of colors the target display can handle. "min-" and "max-" prefixes can be used. Example: media="screen and (min-color-index:256)" |
device-aspect-ratio | Deprecated. Specifies the device-width/device-height ratio of the target display/paper. |
device-width | Deprecated. Specifies the width of the target display/paper. |
device-height | Deprecated. Specifies the height of the target display/paper. |
grid | Specifies if the output device is grid or bitmap. Possible values are "1" for grid, and "0" otherwise. Example: media="handheld and (grid:1)" |
height | Specifies the height of the targeted display area. "min-" and "max-" prefixes can be used. Example: media="screen and (max-height:700px)" |
monochrome | Specifies the bits per pixel in a monochrome frame buffer. "min-" and "max-" prefixes can be used. Example: media="screen and (min-monochrome:2)" |
orientation | Specifies the orientation of the target display/paper. Possible values: "portrait" or "landscape" Example: media="all and (orientation: landscape)" |
resolution | Specifies the pixel density (dpi or dpcm) of the target display/paper. "min-" and "max-" prefixes can be used. Example: media="print and (min-resolution:300dpi)" |
scan | Specifies scanning method of a tv display. Possible values are "progressive" and "interlace". Example: media="tv and (scan:interlace)" |
width | Specifies the width of the targeted display area. "min-" and "max-" prefixes can be used. Example: media="screen and (min-width:500px)" |
❮ Etiqueta HTML <enlace>