There are many ways to utilize font styling with CSS, here are a few:
font-weight: 300
font-weight: 400
font-weight: 500
font-style: normal
font-style: italic
letter-spacing: 3px
letter-spacing: 2px
letter-spacing: 1px
text-transform: uppercase
text-transform: lowercase
text-transform: capitalize
text-decoration: overline
text-decoration: underline
text-decoration: line-through