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Sizing

Relative to the parent​

Width and height utilities are generated from the utility API in _utilities.scss. Includes support for 25%, 50%, 75%, 100%, and auto by default. Modify those values as you need to generate different utilities here.

Result
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Live Editor
<div class="bd-example-flex">
	<div class="w-25 p-3">Width 25%</div>
	<div class="w-50 p-3">Width 50%</div>
	<div class="w-75 p-3">Width 75%</div>
	<div class="w-100 p-3">Width 100%</div>
	<div class="w-auto p-3">Width auto</div>
</div>
Result
Loading...
Live Editor
<div style={{ height: '100px' }} class="bd-example-flex">
	<div class="h-25 d-inline-block" style={{ width: '120px' }}>
		Height 25%
	</div>
	<div class="h-50 d-inline-block" style={{ width: '120px' }}>
		Height 50%
	</div>
	<div class="h-75 d-inline-block" style={{ width: '120px' }}>
		Height 75%
	</div>
	<div class="h-100 d-inline-block" style={{ width: '120px' }}>
		Height 100%
	</div>
	<div class="h-auto d-inline-block" style={{ width: '120px' }}>
		Height auto
	</div>
</div>

You can also use max-width: 100%; and max-height: 100%; utilities as needed.

Result
Loading...
Live Editor
<div style={{ width: '50%', height: '100px' }} class="bd-example-flex">
	<div class="mw-100" style={{ width: '200%' }}>
		Max-width 100%
	</div>
</div>
Result
Loading...
Live Editor
<div style={{ height: '100px' }} class="bd-example-flex">
	<div class="mh-100" style={{ width: '100px', height: '200px' }}>
		Max-height 100%
	</div>
</div>

Relative to the viewport​

You can also use utilities to set the width and height relative to the viewport.

<div class="min-vw-100">Min-width 100vw</div>
<div class="min-vh-100">Min-height 100vh</div>
<div class="vw-100">Width 100vw</div>
<div class="vh-100">Height 100vh</div>