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使用屏幕阅读器实用程序隐藏除屏幕阅读器以外的所有设备上的元素

隐藏所有设备的元素,除了屏幕阅读器使用.sr-only.sr-only.sr-only-focusable焦点合并时再次显示元素(例如,通过键盘用户)。也可以用作mixin。

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