Cascading Style Sheets let you manage how your HTML looks so you can keep your HTML focused on the content.
To get the most benefit from cascading style sheets, you need to start with the HTML. Make sure that you’ve done four things:
Listen to the previous episode for more information about CSS especially if you want to better understand the difference between content and presentation. Continue listening to this episode to learn more about how CSS applies styling to specific parts of your HTML using rules that consist of selectors and descriptors.