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61 lines
2.2 KiB
Markdown
61 lines
2.2 KiB
Markdown
---
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layout: docs
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title: Sizing
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description: Easily make an element as wide or as tall with our width and height utilities.
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group: utilities
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toc: true
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---
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## Relative to the parent
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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.
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{{< example class="bd-example-flex" >}}
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<div class="w-25 p-3">Width 25%</div>
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<div class="w-50 p-3">Width 50%</div>
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<div class="w-75 p-3">Width 75%</div>
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<div class="w-100 p-3">Width 100%</div>
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<div class="w-auto p-3">Width auto</div>
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{{< /example >}}
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{{< example >}}
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<div style="height: 100px; background-color: rgba(255,0,0,0.1);">
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<div class="h-25 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 25%</div>
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<div class="h-50 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 50%</div>
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<div class="h-75 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 75%</div>
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<div class="h-100 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 100%</div>
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<div class="h-auto d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height auto</div>
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</div>
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{{< /example >}}
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You can also use `max-width: 100%;` and `max-height: 100%;` utilities as needed.
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{{< example >}}
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{{< placeholder width="100%" height="100" class="mw-100" text="Max-width 100%" >}}
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{{< /example >}}
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{{< example >}}
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<div style="height: 100px; background-color: rgba(255,0,0,.1);">
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<div class="mh-100" style="width: 100px; height: 200px; background-color: rgba(0,0,255,.1);">Max-height 100%</div>
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</div>
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{{< /example >}}
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## Relative to the viewport
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You can also use utilities to set the width and height relative to the viewport.
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```html
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<div class="min-vw-100">Min-width 100vw</div>
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<div class="min-vh-100">Min-height 100vh</div>
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<div class="vw-100">Width 100vw</div>
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<div class="vh-100">Height 100vh</div>
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```
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## Sass
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### Utilities API
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Sizing utilities are declared in our utilities API in `scss/_utilities.scss`. [Learn how to use the utilities API.]({{< docsref "/utilities/api#using-the-api" >}})
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{{< scss-docs name="utils-sizing" file="scss/_utilities.scss" >}}
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