Screen readers

Use screen reader utilities to hide elements on all devices except screen readers.

Hide an element to all devices except screen readers with .sr-only. Combine .sr-only with .sr-only-focusable to show the element again when it’s focused (e.g. by a keyboard-only user). Can also be used as mixins.

Open example on getbootstrap.com

<a class="sr-only sr-only-focusable" href="#content">Skip to main content</a>

// Usage as a mixin
.skip-navigation {
  @include sr-only;
  @include sr-only-focusable;
}

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Documentation licensed under the Creative Commons Attribution License v3.0.
https://getbootstrap.com/docs/4.5/utilities/screen-readers/