The opacity property sets the opacity level for an element. The opacity level describes the transparency level, where 1 is not transparent at all, .5 is 50% visible, and 0 is completely transparent.

Set the opacity of an element using .opacity-{value} utilities.

<div class="opacity-100">...</div>
<div class="opacity-75">...</div>
<div class="opacity-50">...</div>
<div class="opacity-25">...</div>
<div class="opacity-0">...</div>

CSS#

Sass utilities API#

Opacity utilities are declared in our utilities API in scss/_utilities.scss. Learn how to use the utilities API.

{ { < scss-docs name="utils-opacity" file="scss/_utilities.scss" }}