Visibility

An element's visibility, opacity and overflow are controlled by the classes below.

Class Properties
u-hide display: none!important;
u-opacity-0 opacity: 0!important;
u-opacity-20 opacity: 0.2!important;
u-opacity-50 opacity: 0.5!important;
u-overflow-hidden overflow: hidden!important;
u-overflow-visible overflow: visible!important;
u-overflow-x-auto overflow-x: auto!important;
u-overflow-y-auto overflow-y: auto!important;
<div class="box u-overflow-y-auto">
  <p class="text">some text</p>
  <p class="u-hide">hide me</p>
</div>