邊框與外框

邊框寬度border-width

Setting the width of an element’s border.

Examples

Use b:* with a size value to set border-width.

<div class="b:1px b-solid">    ...</div>

Generated CSS

@layer utilities {    .b\:1px {        border-width: 1px    }}

Use bt:*, br:*, bb:*, and bl:* for physical sides. Use bx:* and by:* for logical axes.

<div class="bt:2px by:1px">...</div>

Use border when width, style, and color should be declared together.

Apply styles based on different states using selectors and conditional queries.

<div class="b:0 b:1px@sm b:0@print">...</div>

Remember that a border is not visible unless its style is not none.

Setting the line style for an element’s border.

Setting how an element's fragments should be rendered when broken across multiple lines, columns, or pages.