How to Put Black Line in CSS. ... Cascading style sheets, or CSS, enable you to define display and layout rules for HTML content, such as data blocks, borders and colors.

Dive into the world of CSS pseudo-elements! Learn how to use ::before and ::after to add stylistic content without altering ...

HTML Basics for Line Spacing. ... tags can become very tedious, and will not allow you to adjust the space between lines. Instead you can use CSS, which is a more advanced form of HTML.