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控制具有可见性实用程序的元素的可见性,而不修改显示。

visibility使用我们的可见性实用程序设置元素。它们根本不会修改display值,并有助于隐藏大多数用户的内容,但仍然保留屏幕阅读器的内容。

根据需要适用.visible.invisible

<div class="visible">...</div><div class="invisible">...</div>
// Class.visible {
  visibility: visible;}.invisible {
  visibility: hidden;}// Usage as a mixin.element {
  @include invisible(visible);}.element {
  @include invisible(hidden);}
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