View on GitHub

Progress

Documentation and examples for using Boosted custom progress bars featuring support for stacked bars, animated backgrounds, and text labels.

On this page

New markup in v5.3.0 — We’ve deprecated the previous HTML structure for progress bars and replaced it with a more accessible one. The previous structure will continue to work until v6. See what’s changed in our migration guide.

How it works

Progress components are built with two HTML elements, some CSS to set the width, and a few attributes. We don’t use the HTML5 <progress> element, ensuring you can stack progress bars, animate them, and place text labels over them.

  • We use the .progress as a wrapper to indicate the max value of the progress bar.
  • The .progress wrapper also requires a role="progressbar" and aria attributes to make it accessible, including an accessible name (using aria-label, aria-labelledby, or similar).
  • We use the inner .progress-bar purely for the visual bar and label.
  • The .progress-bar requires an inline style, utility class, or custom CSS to set its width.
  • We provide a special .progress-stacked class to create multiple/stacked progress bars.- The .progress-bar also requires some role and aria attributes to make it accessible, including an accessible name (using aria-label, aria-labelledby, or similar).

Put that all together, and you have the following examples.

<div class="progress" role="progressbar" aria-label="Basic example" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar" style="width: 0%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Basic example" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar" style="width: 25%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Basic example" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar" style="width: 50%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Basic example" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar" style="width: 75%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Basic example" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar" style="width: 100%"></div>
</div>
html

Bar sizing

Width

Boosted provides a handful of utilities for setting width. Depending on your needs, these may help with quickly configuring progress.

<div class="progress" role="progressbar" aria-label="Basic example" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar w-75"></div>
</div>
html

Height

You only set a height value on the .progress container, so if you change that value, the inner .progress-bar will automatically resize accordingly.

<div class="progress" role="progressbar" aria-label="Example 20px high" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100" style="height: 20px">
  <div class="progress-bar" style="width: 25%"></div>
</div>
html
See Bootstrap examples that are incompatible with Orange Design System.

Incompatibility with Orange Design System. More information

The 1px height variant should not be used because it does not respect the Orange Design System specifications.

Please refer to the Progress bar guidelines on the Orange Design System website.

<div class="progress" role="progressbar" aria-label="Example 1px high" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100" style="height: 1px">
  <div class="progress-bar" style="width: 25%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Example 20px high" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100" style="height: 20px">
  <div class="progress-bar" style="width: 25%"></div>
</div>
html

Labels

Add labels to your progress bars by placing text within the .progress-bar.

25%
<div class="progress" role="progressbar" aria-label="Example with label" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar text-dark" style="width: 25%">25%</div>
</div>
html

Long labels

Note that by default, the content inside the .progress-bar is controlled with overflow: hidden, so it doesn’t bleed out of the bar. If your progress bar is shorter than its label, the content will be capped and may become unreadable. To change this behavior, you can use .overflow-visible from the overflow utilities.

Labels longer than the progress bar within may not be fully accessible using this method because it relies on the text color having the correct contrast ratio with both the .progress and .progress-bar background colors. Use caution when implementing this example.

If the text can overlap the progress bar, we often recommend displaying the label outside of the progress bar for better accessibility.

Sizes

Boosted also provides size variants for progress bar: simply add .progress-xs or .progress-sm.

<div class="progress progress-xs" role="progressbar" aria-label="Extra small example" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar" style="width: 25%"></div>
</div>
<div class="progress progress-sm" role="progressbar" aria-label="Small example" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar" style="width: 25%"></div>
</div>
html

Backgrounds

Use background utility classes to change the appearance of individual progress bars.

See Bootstrap examples that are incompatible with Orange Design System.

Incompatibility with Orange Design System. More information

These backgrounds color variants should not be used because they do not respect the Orange Design System specifications. The only background color to use is the primary color.

Please refer to the Progress bar guidelines on the Orange Design System website.

<div class="progress" role="progressbar" aria-label="Success example" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar bg-success" style="width: 25%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Info example" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar bg-info" style="width: 50%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Warning example" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar bg-warning" style="width: 75%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Danger example" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar bg-danger" style="width: 100%"></div>
</div>
html

Accessibility tip: Using color to add meaning only provides a visual indication, which will not be conveyed to users of assistive technologies like screen readers. Please ensure the meaning is obvious from the content itself (e.g., the visible text with a sufficient color contrast) or is included through alternative means, such as additional text hidden with the .visually-hidden class.

If you’re adding labels to progress bars with a custom background color, make sure to also set an appropriate text color, so the labels remain readable and have sufficient contrast. We recommend using the color and background helper classes.

25%
50%
75%
100%
<div class="progress" role="progressbar" aria-label="Success example" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar text-bg-success" style="width: 25%">25%</div>
</div>
<div class="progress" role="progressbar" aria-label="Info example" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar text-bg-info" style="width: 50%">50%</div>
</div>
<div class="progress" role="progressbar" aria-label="Warning example" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar text-bg-warning" style="width: 75%">75%</div>
</div>
<div class="progress" role="progressbar" aria-label="Danger example" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar text-bg-danger" style="width: 100%">100%</div>
</div>
html

Multiple bars

You can include multiple progress components inside a container with .progress-stacked to create a single stacked progress bar. Note that in this case, the styling to set the visual width of the progress bar must be applied to the .progress elements, rather than the .progress-bars.

See Bootstrap examples that are incompatible with Orange Design System.

Incompatibility with Orange Design System. More information

These variants should not be used because they do not respect the Orange Design System specifications.

<div class="progress-stacked">
  <div class="progress" role="progressbar" aria-label="Segment one" aria-valuenow="15" aria-valuemin="0" aria-valuemax="100" style="width: 15%">
    <div class="progress-bar"></div>
  </div>
  <div class="progress" role="progressbar" aria-label="Segment two" aria-valuenow="30" aria-valuemin="0" aria-valuemax="100" style="width: 30%">
    <div class="progress-bar bg-success"></div>
  </div>
  <div class="progress" role="progressbar" aria-label="Segment three" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100" style="width: 20%">
    <div class="progress-bar bg-info"></div>
  </div>
</div>
html

Striped

Add .progress-bar-striped to any .progress-bar to apply a stripe via CSS gradient over the progress bar’s background color.

See Bootstrap examples that are incompatible with Orange Design System.

Incompatibility with Orange Design System. More information

These variants should not be used because they do not respect the Orange Design System specifications.

Please refer to the Progress bar guidelines on the Orange Design System website.

<div class="progress" role="progressbar" aria-label="Default striped example" aria-valuenow="10" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar progress-bar-striped" style="width: 10%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Success striped example" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar progress-bar-striped bg-success" style="width: 25%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Info striped example" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar progress-bar-striped bg-info" style="width: 50%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Warning striped example" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar progress-bar-striped bg-warning" style="width: 75%"></div>
</div>
<div class="progress" role="progressbar" aria-label="Danger striped example" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar progress-bar-striped bg-danger" style="width: 100%"></div>
</div>
html

Animated stripes

The striped gradient can also be animated. Add .progress-bar-animated to .progress-bar to animate the stripes right to left via CSS3 animations.

See Bootstrap examples that are incompatible with Orange Design System.

Incompatibility with Orange Design System. More information

These variants should not be used because they do not respect the Orange Design System specifications.

Please refer to the Progress bar guidelines on the Orange Design System website.

<div class="progress" role="progressbar" aria-label="Animated striped example" aria-valuenow="75" aria-valuemin="0" aria-valuemax="100">
  <div class="progress-bar progress-bar-striped progress-bar-animated" style="width: 75%"></div>
</div>
html

CSS

Variables

Added in v5.2.0

As part of Boosted’s evolving CSS variables approach, progress bars now use local CSS variables on .progress for enhanced real-time customization. Values for the CSS variables are set via Sass, so Sass customization is still supported, too.

scss/_progress.scss 
--#{$prefix}progress-height: #{$progress-height};
@include rfs($progress-font-size, --#{$prefix}progress-font-size);
--#{$prefix}progress-bg: #{$progress-bg};
--#{$prefix}progress-border-radius: #{$progress-border-radius};
--#{$prefix}progress-box-shadow: #{$progress-box-shadow};
--#{$prefix}progress-bar-color: #{$progress-bar-color};
--#{$prefix}progress-bar-font-weight: #{$progress-bar-font-weight}; // Boosted mod
--#{$prefix}progress-bar-text-indent: #{$progress-bar-text-indent}; // Boosted mod
--#{$prefix}progress-bar-bg: #{$progress-bar-bg};
--#{$prefix}progress-bar-transition: #{$progress-bar-transition};

Small and extra small progress bar modifier classes are used to update the values of these CSS variables as needed. For example, the .progress-xs class does the following:

scss/_progress.scss 
--#{$prefix}progress-height: #{$progress-height-xs};

And the .progress-sm:

scss/_progress.scss 
--#{$prefix}progress-height: #{$progress-height-sm};

Sass variables

scss/_variables.scss 
$progress-height:                   $spacer;
$progress-font-size:                $font-size-base;
$progress-bg:                       var(--#{$prefix}tertiary-active-bg); // Boosted mod: instead of `var(--#{$prefix}secondary-bg)`
$progress-border-radius:            var(--#{$prefix}border-radius);
$progress-box-shadow:               var(--#{$prefix}box-shadow-inset);
$progress-bar-color:                var(--#{$prefix}highlight-color); // Boosted mod: instead of `$white`
$progress-bar-font-weight:          $font-weight-bold; // Boosted mod
$progress-bar-text-indent:          map-get($spacers, 2); // Boosted mod
$progress-bar-bg:                   var(--#{$prefix}primary); // Boosted mod: instead of `$primary`
$progress-bar-animation-timing:     1s linear infinite;
$progress-bar-transition:           width .6s ease;

// Boosted mod
$progress-height-sm:                $spacer * .5;
$progress-height-xs:                $spacer * .25;
// End mod

Keyframes

Used for creating the CSS animations for .progress-bar-animated. Included in scss/_progress-bar.scss.

scss/_progress.scss 
@if $enable-transitions {
  @keyframes progress-bar-stripes {
    0% { background-position-x: var(--#{$prefix}progress-height); }
  }
}