非常教程

CSS参考手册

背景和边框 | Backgrounds & Borders

边框图像路径 | border-image-source

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noneborder-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

?

?

背景和边框 | Backgrounds & Borders相关

1.定位 |
2.背景 | background
3.背景附件 | background-attachment
4.背景裁剪 | background-clip
5.背景颜色 | background-color
6.背景图片 | background-image
7.背景来源 | background-origin
8.背景图片位置 | background-position
9.背景位置-x | background-position-x
10.背景位置-y | background-position-y
11.背景重复 | background-repeat
12.背景大小 | background-size
13.边框 | border
14.底部边框 | border-bottom
15.底部边框颜色 | border-bottom-color
16.左下角的边框半径 | border-bottom-left-radius
17.右下角的边框半径 | border-bottom-right-radius
18.边框底部样式 | border-bottom-style
19.边框底部宽度 | border-bottom-width
20.边框颜色 | border-color
21.边框图片 | border-image
22.边框图像开始 | border-image-outset
23.边框图像重复 | border-image-repeat
24.边框图像使用范围 | border-image-slice
25.边框图像宽度 | border-image-width
26.左边框 | border-left
27.左边框颜色 | border-left-color
28.左边框宽度 | border-left-width
29.边框半径 | border-radius
30.右边框 | border-right
31.右边框颜色 | border-right-color
32.右边框样式 | border-right-style
33.右边框宽度 | border-right-width
34.边框样式 | border-style
35.边框属性 | border-top
36.边框属性颜色 | border-top-color
37.边框左上角半径 | border-top-left-radius
38.边框右上角半径 | border-top-right-radius
39.边框样式属性 | border-top-style
40.上边框宽度 | border-top-width
41.边框宽度 | border-width
42.盒子阴影 | box-shadow
43.背景和边框 | CSS Background and Borders
44.背景图像生成 | CSS Background and Borders: Border-image generator
45.边界半径生成 | CSS Background and Borders: Border-radius generator
46.框阴影生成 | CSS Background and Borders: Box-shadow generator
47.缩放背景图像 | CSS Background and Borders: Scaling background images
48.多个背景 | CSS Background and Borders: Using CSS multiple backgrounds
49.背景和边框 | CSS Backgrounds and Borders
CSS

层叠样式表( Cascading Style Sheets )是一种用来表现 HTML 或 XML 等文件样式的计算机语言。CSS 不仅可以静态地修饰网页,还可以配合各种脚本语言动态地对网页各元素进行格式化。

CSS目录

1.动画和转换 | Animations & Transitions
2.背景和边框 | Backgrounds & Borders
3.基本框模型 | Basic Box Model
4.基本用户界面 | Basic User Interface
5.框对齐 | Box Alignment
6. 级联和继承 | Cascading & Inheritance
7.颜色 | Color
8. 合成与混合 | Compositing & Blending
9.条件和规则 | Conditional Rules
10.计数器样式 | Counter Styles
11.设备适配 | Device Adaptation
12.扩展 | Extensions
13.滤镜效果 | Filter Effects
14.灵活的框布局 | Flexible Box Layout
15.字体 | Fonts
16.片段模块 | Fragmentation
17.全屏 API | Fullscreen API
18. 生成内容 | Generated Content
19.网格布局 | Grid Layout
20.图像值 | Image Values
21.初始线格局 | Inline Layout
22.列表和计数器 | Lists & Counters
23.逻辑属性 | Logical Properties
24.面具 | Masking
25.媒体查询 | Media Queries
26.杂项 | Miscellaneous
27.Miscellaneous Level 1
28.Miscellaneous Level 2
29.运动路径 | Motion Path
30. 多列布局 | Multi-column Layout
31.命名空间 | Namespaces
32.项目模型 | Object Model View
33.网页媒体 | Paged Media
34.定位布局 | Positioned Layout
35.伪元素 | Pseudo-
36.节奏大小 | Rhythmic Sizing
37. Ruby布局 | Ruby Layout
38.可缩放矢量图形 | Scalable Vector Graphics
39.滚动快照 | Scroll Snap
40.选择 | Selectors
41.形状 | Shapes
42.文本 | Text
43.文字装饰 | Text Decoration
44.变换 | Transforms
45.值和单位 | Values & Units
46.变量 | Variables
47.写入模型 | Writing Modes
48.CSS 教程
49.CSS 创建
50.CSS Id 和 Class选择器
51.CSS 简介
52.CSS 盒子模型
53.CSS Table(表格)
54.CSS 列表样式(ul)
55.CSS 链接(link)
56.CSS Fonts(字体)
57.CSS Text(文本)
58.CSS Backgrounds(背景)
59.CSS Display(显示) 与 Visibility(可见性)
60.CSS 尺寸 (Dimension)
61.CSS 分组和嵌套
62.CSS 轮廓(outline)属性
63.CSS Border(边框)
64.CSS 图像透明/不透明
65.CSS 导航栏
66.CSS 伪元素
67.CSS 伪类
68.CSS Float(浮动)
69.CSS Position(定位)
70.CSS 总结
71.CSS 属性选择器
72.CSS 媒体类型
73.CSS 图像拼合技术
74.CSS 实例
75.CSS 组合选择符
76.响应式 Web 设计 – 框架
77.响应式 Web 设计 – 视频(Video)
78.CSS 提示工具(Tooltip)
79.CSS 布局 Overflow
80.CSS 计数器
81.CSS 表单