Border Top Width
Set the top border width for an element.
Widely available
This feature is well established and works across many devices and browser versions.
Chrome
Edge
Firefox
Safari
Usage
Apply a 0.25 rem top border width to an element.
<div class="w-16 h-16 bc-indigo bs-s btw-4"></div>Responsiveness
Use breakpoint prefixes to target different screen sizes. Styles apply from the breakpoint & up.
Target viewport sizes with breakpoint prefixes.
sm:btw-*Small≥640px
md:btw-*Medium≥768px
lg:btw-*Large≥1024px
xxl:btw-*Extra Large≥1536px
Hover State
Apply styles conditionally on hover using the h: prefix.
Add the h: prefix to apply styles only when the user hovers over the element.
Syntax:
h:btw-*Logical Properties
Use logical properties to adapt to the document's writing mode & direction.
Border Block Start Width
Set the logical block-start border width for an element.
Widely available
This feature is well established and works across many devices and browser versions.
Chrome
Edge
Firefox
Safari
<div class="w-16 h-16 bc-indigo bs-s bbsw-4"></div>