diff --git a/packages/html/src/components/media-popover.ts b/packages/html/src/components/media-popover.ts
index 6a5f5156..c0e7cf6d 100644
--- a/packages/html/src/components/media-popover.ts
+++ b/packages/html/src/components/media-popover.ts
@@ -378,11 +378,14 @@ export class MediaPopoverPortal extends HTMLElement {
}
}
+const visuallyHiddenStyles = 'position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;';
+
function createFocusGuard(dataType: 'inside' | 'outside'): HTMLElement {
const focusGuard = document.createElement('span');
focusGuard.setAttribute('data-type', dataType);
focusGuard.setAttribute('tabindex', '0');
focusGuard.toggleAttribute('data-focus-guard', true);
+ focusGuard.style.cssText = visuallyHiddenStyles;
return focusGuard;
}