Progress
Documentation and examples for using Bootstrap custom progress bars featuring support for stacked bars, animated backgrounds, and text labels.
Wie es funktioniert
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 arole="progressbar"
andaria
attributes to make it accessible, including an accessible name (usingaria-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.
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>
Bar sizing
Width
Bootstrap provides a handful of utilities for setting width. Depending on your needs, these may help with quickly configuring the width of the .progress-bar
.
<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>
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 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>
Labels
Add labels to your progress bars by placing text within the .progress-bar
.
<div class="progress" role="progressbar" aria-label="Example with label" aria-valuenow="25" aria-valuemin="0" aria-valuemax="100">
<div class="progress-bar" style="width: 25%">25%</div>
</div>
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, but make sure to also define an explicit text color so the text remains readable. Be aware though that currently this approach does not take into account color modes.
<div class="progress" role="progressbar" aria-label="Example with label" aria-valuenow="10" aria-valuemin="0" aria-valuemax="100">
<div class="progress-bar overflow-visible text-dark" style="width: 10%">Long label text for the progress bar, set to a dark color</div>
</div>
Backgrounds
Use background utility classes to change the appearance of individual progress bars.
<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>
.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.
<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%">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 text-dark" 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 bg-warning text-dark" 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 bg-danger" style="width: 100%">100%</div>
</div>
Alternatively, you can use the new combined color and background helper classes.
<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>
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-bar
s.
<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>
Striped
hinzufügen .progress-bar-striped
to any .progress-bar
to apply a stripe via CSS gradient over the progress bar’s background color.
<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>
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.
<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>
CSS
Variables
Added in v5.2.0As part of Bootstrap’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.
--#{$prefix}progress-height: #{$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};
--#{$prefix}progress-bar-bg: #{$progress-bar-bg};
--#{$prefix}progress-bar-transition: #{$progress-bar-transition};
Sass variables
$progress-height: 1rem;
$progress-font-size: $font-size-base * .75;
$progress-bg: var(--#{$prefix}secondary-bg);
$progress-border-radius: var(--#{$prefix}border-radius);
$progress-box-shadow: var(--#{$prefix}box-shadow-inset);
$progress-bar-color: $white;
$progress-bar-bg: $primary;
$progress-bar-animation-timing: 1s linear infinite;
$progress-bar-transition: width .6s ease;
Keyframes
Used for creating the CSS animations for .progress-bar-animated
. Included in scss/_progress-bar.scss
.
@if $enable-transitions {
@keyframes progress-bar-stripes {
0% { background-position-x: $progress-height; }
}
}