Font Size feature sample.

Some text with font-size set to: 10px.

Some text with font-size set to: 12px.

Some text with font-size set to: 14px.

Some text with normal size (font-size not set to).

Some text with font-size set to: 18px.

Some text with font-size set to: 20px.

Some text with font-size set to: 22px.