border-inline-start
        
        
          
                Baseline
                
                  Widely available
                
                
              
        
        
        
          
                
              
                
              
                
              
        
        
      
      This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2020年1月.
尝试一下
border-inline-start: solid;
writing-mode: horizontal-tb;
border-inline-start: dashed red;
writing-mode: vertical-rl;
border-inline-start: 1rem solid;
writing-mode: horizontal-tb;
direction: rtl;
<section class="default-example" id="default-example">
  <div class="transition-all" id="example-element">
    This is a box with a border around it.
  </div>
</section>
#example-element {
  background-color: #eee;
  color: #8b008b;
  padding: 0.75em;
  width: 80%;
  height: 100px;
  unicode-bidi: bidi-override;
}
属性构成
此属性为下列 CSS 属性的简写属性:
语法
css
border-inline-start: 1px;
border-inline-start: 2px dotted;
border-inline-start: medium dashed green;
/* 全局值 */
border-inline-start: inherit;
border-inline-start: initial;
border-inline-start: revert;
border-inline-start: revert-layer;
border-inline-start: unset;
border-inline-start 所对应的实体边框取决于元素的书写模式、行内方向和文本朝向。根据 writing-mode、direction 和 text-orientation 所定义的值,此属性对应于 border-top、border-right、border-bottom 或 border-left 属性。
与此相关的属性有 border-block-start、border-block-end 和 border-inline-end,这些属性定义了元素的其他边框。
取值
border-inline-start 属性可用下列值中的至少一个指定,次序任意:
- <'border-width'>
- 
边框宽度。见 border-width。
- <'border-style'>
- 
边框线型。见 border-style。
- <'color'>
- 
边框颜色。见 color。
形式定义
| 初始值 | 该简写所对应的每个属性: 
 | 
|---|---|
| 适用元素 | 所有元素 | 
| 是否是继承属性 | 否 | 
| 计算值 | 该简写所对应的每个属性: 
 | 
| 动画类型 | 该简写所对应的每个属性: 
 | 
形式语法
border-inline-start =
<line-width> ||
<line-style> ||
<color>
<line-width> =
<length [0,∞]> |
thin |
medium |
thick
<line-style> =
none |
hidden |
dotted |
dashed |
solid |
double |
groove |
ridge |
inset |
outset
示例
>HTML
html
<div>
  <p class="exampleText">示例文本</p>
</div>
CSS
css
div {
  background-color: yellow;
  width: 120px;
  height: 120px;
}
.exampleText {
  writing-mode: vertical-rl;
  border-inline-start: 5px dashed blue;
}
规范
| Specification | 
|---|
| CSS Logical Properties and Values Level 1> # border-shorthands> | 
浏览器兼容性
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