Utilities
Margin
u-mb-12
margin-bottom: 12;
u-mb-24
margin-bottom: 24;
u-mb-40
margin-bottom: 40;
u-mb-60
margin-bottom: 60;
Helpers
u-opacity-40
opacity: 40%
u-opacity-20
opacity: 20%
u-overflow-hidden
overflow: hidden;
Display + position
u-d-flex
display: flex;
u-align-center
align-items: center;
