Opacity
Control the opacity of elements.
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.
100
75
50
25
0
<div class="opacity-100 text-bg-warning p-3">100</div>
<div class="opacity-75 text-bg-warning p-3">75</div>
<div class="opacity-50 text-bg-warning p-3">50</div>
<div class="opacity-25 text-bg-warning p-3">25</div>
<div class="opacity-0 text-bg-warning p-3">0</div>