边框图像路径 | border-image-source (Backgrounds & Borders) - CSS 中文开发手册 - Break易站


  •   CSS 中文开发手册

    边框图像路径 | border-image-source (Backgrounds & Borders) - CSS 中文开发手册

    border-image-sourceCSS属性定义<image>,而不是使用边框的风格。如果此属性设置为none,border-style则使用由其定义的样式。

    /* no border-image, use the specified border-style */
    border-image-source: none;
    
    /* the image.jpg is used as image */
    border-image-source: url(image.jpg);
    
    /* a gradient is used as image */
    border-image-source: linear-gradient(to top, red, yellow);
    
    /* Global values */
    border-image-source: inherit;
    border-image-source: initial;
    border-image-source: unset;

    注意:虽然<image>CSS属性可以使用任何CSS,但浏览器支持仍然有限,某些浏览器仅支持使用url()功能符号定义的图像。

    初始值

    none

    适用元素

    all elements, except internal table elements when border-collapse is collapse. It also applies to ::first-letter.

    是否是继承属性

    no

    适用媒体

    visual

    计算值

    none or the image with its URI made absolute

    Animation type

    discrete

    正规顺序

    the unique non-ambiguous order defined by the formal grammar

    语法

    none指定不应该为边框使用图像。而是border-style使用由其定义的样式。<image>用于边框的图像参考。

    正式语法

    none | <image>where 
    <image> = <url> | <image()> | <image-set()> | <element()> | <cross-fade()> | <gradient>
    where 
    <image()> = image( [ [ <image> | <string> ]? , <color>? ]! )
    <image-set()> = image-set( <image-set-option># )
    <element()> = element( <id-selector> )
    <cross-fade()> = cross-fade( <cf-mixing-image> , <cf-final-image>? )
    <gradient> = <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>
    where 
    <color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>
    <image-set-option> = [ <image> | <string> ] <resolution>
    <cf-mixing-image> = <percentage>? && <image>
    <cf-final-image> = <image> | <color>
    <linear-gradient()> = linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )
    <repeating-linear-gradient()> = repeating-linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )
    <radial-gradient()> = radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )
    <repeating-radial-gradient()> = repeating-radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )
    where 
    <rgb()> = rgb( [ [ <percentage>{3} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )
    <rgba()> = rgba( [ [ <percentage>{3} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )
    <hsl()> = hsl( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )
    <hsla()> = hsla( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )
    <named-color> = transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen
    <deprecated-system-color> = ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText
    <side-or-corner> = [ left | right ] || [ top | bottom ]
    <color-stop-list> = <color-stop>#{2,}
    <ending-shape> = circle | ellipse
    <size> = closest-side | farthest-side | closest-corner | farthest-corner | <length> | <length-percentage>{2}
    <position> = [[ left | center | right | top | bottom | <length-percentage> ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ] | [ center | [ left | right ] <length-percentage>? ] && [ center | [ top | bottom ] <length-percentage>? ]]
    
    where 
    <alpha-value> = <number> | <percentage>
    <hue> = <number> | <angle>
    <color-stop> = <color> <length-percentage>?
    <length-percentage> = <length> | <percentage>

    示例

    请参阅border-image各种源值将执行的示例。

    规范

    Specification

    Status

    Comment

    CSS Backgrounds and Borders Module Level 3The definition of 'border-image-source' in that specification.

    Candidate Recommendation

    Initial definition

    浏览器兼容性

    Feature

    Chrome

    Edge

    Firefox (Gecko)

    Internet Explorer

    Opera

    Safari

    Basic support

    15.0

    (Yes)

    15.0 (15.0)

    11

    15

    6

    Feature

    Android

    Edge

    Firefox Mobile (Gecko)

    IE Phone

    Opera Mobile

    Safari Mobile

    Basic support

    ?

    (Yes)

    15.0 (15.0)

    No support

    ?

    ?

    
    
  •   CSS 中文开发手册
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