Visibility可见度

~~Control the visibility of elements, without modifying their display, with visibility utilities.~~使用可见性实用程序控制图元的可见性，而不修改其显示。

~~Set the visibility of elements with our visibility utilities.~~ 使用可见性实用程序设置元素的visibility。~~These utility classes do not modify the display value at all and do not affect layout – .invisible elements still take up space in the page.~~这些实用程序类根本不会修改display值，也不会影响布局。.invisible元素仍会占用页面中的空间。

~~Elements with the .invisible class will be hidden both visually and for assistive technology/screen reader users.~~具有.invisible类的元素将在视觉上和辅助技术/屏幕阅读器用户一起隐藏。

~~Apply .visible or .invisible as needed.~~根据需要应用.visible或.invisible。

<div class="visible">...</div>
<div class="invisible">...</div>

// Class
.visible {
visibility: visible !important;
}
.invisible {
visibility: hidden !important;
}

Sass

Utilities API实用程序API

~~Visibility utilities are declared in our utilities API in scss/_utilities.scss.~~ 可见性实用程序在scss/_utilities.scss中的实用程序API中声明。~~Learn how to use the utilities API.~~了解如何使用实用程序API。

    "visibility": (
property: visibility,
class: null,
values: (
visible: visible,
invisible: hidden,
)
)