Sizing

Easily make an element as wide or as tall with our width and height utilities.

On this page

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.

Width 25%
Width 50%
Width 75%
Width 100%
Width auto
vue
<template>
  <b-div
    relative-width="25"
    padding="3"
  >
    Width 25%
  </b-div>
  <b-div
    relative-width="50"
    padding="3"
  >
    Width 50%
  </b-div>
  <b-div
    relative-width="75"
    padding="3"
  >
    Width 75%
  </b-div>
  <b-div
    relative-width="100"
    padding="3"
  >
    Width 100%
  </b-div>
  <b-div
    relative-width="auto"
    padding="3"
  >
    Width auto
  </b-div>
</template>
Height 25%
Height 50%
Height 75%
Height 100%
Height auto
vue
<template>
  <b-div style="height: 100px;">
    <b-div
      relative-height="25"
      display="inline-block"
      style="width: 120px;"
    >
      Height 25%
    </b-div>
    <b-div
      relative-height="50"
      display="inline-block"
      style="width: 120px;"
    >
      Height 50%
    </b-div>
    <b-div
      relative-height="75"
      display="inline-block"
      style="width: 120px;"
    >
      Height 75%
    </b-div>
    <b-div
      relative-height="100"
      display="inline-block"
      style="width: 120px;"
    >
      Height 100%
    </b-div>
    <b-div
      relative-height="auto"
      display="inline-block"
      style="width: 120px;"
    >
      Height auto
    </b-div>
  </b-div>
</template>

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

200x200
vue
<template>
  <b-div flex>
    <b-img
      src="https://dummyimage.com/200x200/868e96/ffffff&text=Max%20width%20100%25"
      rounded
      float="start"
      alt="200x200"
      max-width
    />
  </b-div>
</template>
Max-height 100%
vue
<template>
  <b-div style="height: 100px">
    <b-div
      max-height
      style="
        width: 100px;
        height: 200px;
      "
    >
      Max-height 100%
    </b-div>
  </b-div>
</template>

Relative to the viewport

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