box-sizing
Utilities for controlling how the browser should calculate an element's total size.
Quick reference
| Class | Styles |
|---|---|
box-border | box-sizing: border-box; |
box-content | box-sizing: content-box; |
Examples
Including borders and padding
Use the box-border utility to include borders and padding in the element's total size:
html
<div class="box-border size-32 border-4 p-4 ..."></div>Excluding borders and padding
Use the box-content utility to exclude borders and padding from the element's total size:
html
<div class="box-content size-32 border-4 p-4 ..."></div>Responsive design
Prefix a box-sizing utility with a breakpoint variant like md: to only apply the utility at medium screen sizes and above:
html
<div class="box-content md:box-border ...">Lorem ipsum dolor sit amet...</div>