边界块初始宽度 | border-block-start-width (Logical Properties) - CSS 中文开发手册
这是一种实验技术
由于该技术的规格不稳定,请查看各种浏览器的兼容性表格以供使用。还要注意,随着规范的变化,实验技术的语法和行为在未来版本的浏览器中可能会发生变化。
border-block-start-width 映射到取决于元件的写入模式,方向性,和文本方向的物理边界宽度的逻辑块开始边界的宽度。它对应于border-top-width,border-right-width,border-bottom-width,或border-left-width属性根据为定义的值writing-mode,direction和text-orientation。
/* <‘border-width‘> values */ border-block-start-width: 5px; border-block-start-width: thick;
相关属性是border-block-end-width,border-inline-start-width,和border-inline-end-width,它定义元素的其他边框宽度。
初始值 | medium |
---|---|
应用于 | all elements |
是否继承 | no |
百分比 | logical-width of containing block |
使用媒体 | visual |
计算值 | absolute length; 0 if the border style is none or hidden |
Animation type | discrete |
规范顺序 | the unique non-ambiguous order defined by the formal grammar |
句法
价值
<‘border-width‘>边框的宽度,详见border-width
形式语法
<‘border-width‘>
例
HTML内容
<div> <p class="exampleText">Example text</p> </div>
CSS内容
div { background-color: yellow; width: 120px; height: 120px; } .exampleText { writing-mode: vertical-lr; border: 1px solid blue; border-block-start-width: 5px; }
规格
Specification | Status | Comment |
---|---|---|
CSS Logical Properties Level 1The definition of ‘border-block-start-width‘ in that specification. | Editor‘s Draft | Initial definition |
浏览器兼容性
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | No support | 41.0 (41.0)1 | No support | No support | No support |
Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | No support | 41.0 (41.0)1 | No support | No support | No support |
边界块初始宽度 | border-block-start-width (Logical Properties) - CSS 中文开发手册 - Break易站