Use image for background css

background

The background shorthand CSS property sets all background style properties at once, such as color, image, origin and size, or repeat method. Component properties not set in the background shorthand property value declaration are set to their default values.

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Constituent properties

This property is a shorthand for the following CSS properties:

Syntax

/* Using a */ background: green; /* Using a and */ background: url("test.jpg") repeat-y; /* Using a and */ background: border-box red; /* A single image, centered and scaled */ background: no-repeat center/80% url("../img/image.png"); /* Global values */ background: inherit; background: initial; background: revert; background: revert-layer; background: unset; 

The background property is specified as one or more background layers, separated by commas.

The syntax of each layer is as follows:

• Each layer may include zero or one occurrences of any of the following values:
  • The value may only be included immediately after , separated with the ‘/’ character, like this: » center/80% «.
  • The value may be included zero, one, or two times. If included once, it sets both background-origin and background-clip . If it is included twice, the first occurrence sets background-origin , and the second sets background-clip .
  • The value may only be included in the last layer specified.

  Values

  See background-clip and background-origin . Default: border-box and padding-box respectively.

  See background-color . Default: transparent .

  The following three lines of CSS are equivalent:

  background: none; background: transparent; background: repeat scroll 0% 0% / auto padding-box border-box none transparent; 

  Accessibility concerns

  Browsers do not provide any special information on background images to assistive technology. This is important primarily for screen readers, as a screen reader will not announce its presence and therefore convey nothing to its users. If the image contains information critical to understanding the page’s overall purpose, it is better to describe it semantically in the document.

  Formal definition

  • background-image : none
  • background-position : 0% 0%
  • background-size : auto auto
  • background-repeat : repeat
  • background-origin : padding-box
  • background-clip : border-box
  • background-attachment : scroll
  • background-color : transparent
  • background-position : refer to the size of the background positioning area minus size of background image; size refers to the width for horizontal offsets and to the height for vertical offsets
  • background-size : relative to the background positioning area
  • background-image : as specified, but with url() values made absolute
  • background-position : as each of the properties of the shorthand:
    • background-position-x : A list, each item consisting of: an offset given as a combination of an absolute length and a percentage, plus an origin keyword
    • background-position-y : A list, each item consisting of: an offset given as a combination of an absolute length and a percentage, plus an origin keyword
    • background-color : a color
    • background-image : discrete
    • background-clip : a repeatable list of
    • background-position : a repeatable list of
    • background-size : a repeatable list of
    • background-repeat : discrete
    • background-attachment : discrete

    Formal syntax

    background =
    [ # , ]?

    =
    ||
    [ / ]? ||
    ||
    ||
    ||
    

    =
    ||
    ||
    [ / ]? ||
    ||
    ||
    ||
    

    =
    |
    none

    =
    [ left | center | right | top | bottom | ] |
    [ left | center | right | ] [ top | center | bottom | ] |
    [ center | [ left | right ] ? ] && [ center | [ top | bottom ] ? ]

    =
    [ | auto ] |
    cover |
    contain

    =
    repeat-x |
    repeat-y |
    [ repeat | space | round | no-repeat ]

    =
    scroll |
    fixed |
    local

    =
    border-box |
    padding-box |
    content-box

    =
    |

    =
    |

    =
    url( * ) |
    src( * )

    Examples

    Setting backgrounds with color keywords and images

    HTML

    p class="topbanner"> Starry skybr /> Twinkle twinklebr /> Starry sky p> p class="warning">Here is a paragraphp> p>p> 

    CSS

    .warning  background: pink; > .topbanner  background: url("starsolid.gif") #99f repeat-y fixed; > 

    Result

    Specifications

    Browser compatibility

    BCD tables only load in the browser

    See also

    Found a content problem with this page?

    This page was last modified on Jul 18, 2023 by MDN contributors.

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    CSS background-image Property

    The background-image property sets one or more background images for an element.

    By default, a background-image is placed at the top-left corner of an element, and repeated both vertically and horizontally.

    Tip: The background of an element is the total size of the element, including padding and border (but not the margin).

    Tip: Always set a background-color to be used if the image is unavailable.

    Default value:	none
    Inherited:	no
    Animatable:	no. Read about animatable
    Version:	CSS1 + new values in CSS3
    JavaScript syntax:	object.style.backgroundImage=»url(img_tree.gif)» Try it

    Browser Support

    The numbers in the table specify the first browser version that fully supports the property.

    CSS Syntax

    Property Values

    Value	Description	Demo
    url(‘URL‘)	The URL to the image. To specify more than one image, separate the URLs with a comma	Demo ❯
    none	No background image will be displayed. This is default
    conic-gradient()	Sets a conic gradient as the background image. Define at least two colors	Demo ❯
    linear-gradient()	Sets a linear gradient as the background image. Define at least two colors (top to bottom)	Demo ❯
    radial-gradient()	Sets a radial gradient as the background image. Define at least two colors (center to edges)	Demo ❯
    repeating-conic-gradient()	Repeats a conic gradient	Demo ❯
    repeating-linear-gradient()	Repeats a linear gradient	Demo ❯
    repeating-radial-gradient()	Repeats a radial gradient	Demo ❯
    initial	Sets this property to its default value. Read about initial
    inherit	Inherits this property from its parent element. Read about inherit

    More Examples

    Example

    Sets two background images for the element. Let the first image appear only once (with no-repeat), and let the second image be repeated:

    body <
    background-image: url(«img_tree.gif»), url(«paper.gif»);
    background-repeat: no-repeat, repeat;
    background-color: #cccccc;
    >
    

    Example

    Use different background properties to create a «hero» image:

    .hero-image <
    background-image: url(«photographer.jpg»); /* The image used */
    background-color: #cccccc; /* Used if the image is unavailable */
    height: 500px; /* You must set a specified height */
    background-position: center; /* Center the image */
    background-repeat: no-repeat; /* Do not repeat the image */
    background-size: cover; /* Resize the background image to cover the entire container */
    >
    

    Example

    Sets a linear-gradient (two colors) as a background image for a element:

    Example

    Sets a linear-gradient (three colors) as a background image for a element:

    #grad1 <
    height: 200px;
    background-color: #cccccc;
    background-image: linear-gradient(red, yellow, green);
    >
    

    Example

    The repeating-linear-gradient() function is used to repeat linear gradients:

    #grad1 <
    height: 200px;
    background-color: #cccccc;
    background-image: repeating-linear-gradient(red, yellow 10%, green 20%);
    >
    

    Example

    Sets a radial-gradient (two colors) as a background image for a element:

    Example

    Sets a radial-gradient (three colors) as a background image for a element:

    #grad1 <
    height: 200px;
    background-color: #cccccc;
    background-image: radial-gradient(red, yellow, green);
    >
    

    Example

    The repeating-radial-gradient() function is used to repeat radial gradients:

    #grad1 <
    height: 200px;
    background-color: #cccccc;
    background-image: repeating-radial-gradient(red, yellow 10%, green 20%);
    >
    

    Источник

    background-image

    The background-image CSS property sets one or more background images on an element.

    Try it

    The background images are drawn on stacking context layers on top of each other. The first layer specified is drawn as if it is closest to the user.

    The borders of the element are then drawn on top of them, and the background-color is drawn beneath them. How the images are drawn relative to the box and its borders is defined by the background-clip and background-origin CSS properties.

    If a specified image cannot be drawn (for example, when the file denoted by the specified URI cannot be loaded), browsers handle it as they would a none value.

    Note: Even if the images are opaque and the color won’t be displayed in normal circumstances, web developers should always specify a background-color . If the images cannot be loaded—for instance, when the network is down—the background color will be used as a fallback.

    Syntax

    background-image: linear-gradient( to bottom, rgba(255, 255, 0, 0.5), rgba(0, 0, 255, 0.5) ), url("catfront.png"); /* Global values */ background-image: inherit; background-image: initial; background-image: revert; background-image: revert-layer; background-image: unset; 

    Each background image is specified either as the keyword none or as an value.

    To specify multiple background images, supply multiple values, separated by a comma.

    Values

    Is a keyword denoting the absence of images.

    Accessibility concerns

    Browsers do not provide any special information on background images to assistive technology. This is important primarily for screen readers, as a screen reader will not announce its presence and therefore convey nothing to its users. If the image contains information critical to understanding the page’s overall purpose, it is better to describe it semantically in the document.

    Formal definition

    Initial value	none
    Applies to	all elements. It also applies to ::first-letter and ::first-line .
    Inherited	no
    Computed value	as specified, but with url() values made absolute
    Animation type	discrete

    Formal syntax

    Examples

    Layering background images

    Note that the star image is partially transparent and is layered over the cat image.

    HTML

    div> p class="catsandstars">This paragraph is full of catsbr />and stars.p> p>This paragraph is not.p> p class="catsandstars">Here are more cats for you.br />Look at them!p> p>And no more.p> div> 

    CSS

    p  font-size: 1.5em; color: #fe7f88; background-image: none; background-color: transparent; > div  background-image: url("mdn_logo_only_color.png"); > .catsandstars  background-image: url("startransparent.gif"), url("catfront.png"); background-color: transparent; > 

    Result

    Specifications

    Browser compatibility

    BCD tables only load in the browser

    See also

    • Implementing image sprites in CSS
    • Image-related data types: ,
    • Image-related functions:
      • cross-fade()
      • element()
      • image()
      • image-set()
      • linear-gradient()
      • radial-gradient()
      • conic-gradient()
      • repeating-linear-gradient()
      • repeating-radial-gradient()
      • repeating-conic-gradient()
      • paint()
      • url()

      Found a content problem with this page?

      This page was last modified on Jul 20, 2023 by MDN contributors.

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      Portions of this content are ©1998– 2023 by individual mozilla.org contributors. Content available under a Creative Commons license.

      Источник

      CSS Background Image

      The background-image property specifies an image to use as the background of an element.

      By default, the image is repeated so it covers the entire element.

      Example

      Set the background image for a page:

      Example

      This example shows a bad combination of text and background image. The text is hardly readable:

      Note: When using a background image, use an image that does not disturb the text.

      The background image can also be set for specific elements, like the

      element:

      Example

      The CSS Background Image Property

      

      COLOR PICKER

      

      

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