In CSS you can customize the font style of a web document font-family → specifies the font family to be used for a text elements You can add more than one by separating them with comma ',' It sets the font family to be Arial and then sans-serif font-size → specifies the size of the font for a text element You can use px, em, rem and % but also keywords like: medium, x-small, small, large, x-large, smaller, larger etc It sets the size to 16px;
font-weight → specifies the boldness of a font. You can use keywords like normal, bold, bolder, lighter but also... numerical values from 100 to 900 it sets the font weight to bold font-style → specifies the style of a font You can use normal, italic, oblique initial and inherit initial and inherit can be used to almost all properties It sets the style to italic