Stefan Judis on Twitter: "I can't wait for all these new text-decoration properties to be widely supported. It's still early stages, but broader support of properties to e.g. define the underline thickness
html - Is it possible to change to the underline height from when the developer uses `text-decoration: underline;` in CSS to create an underline? - Stack Overflow
CSS getting additional line style options for text, including spelling and grammar errors
CSS Underline: 20+ Examples
css - Remove blue underline from link - Stack Overflow