But if you want to work ahead check out these tutorials:

• Using the Style element in the Head section https://www.w3schools.com/html/html_head.asp
• Classes https://www.w3schools.com/html/html_classes.asp
• The Id attribute https://www.w3schools.com/html/html_id.asp
• CSS Syntax https://www.w3schools.com/css/css_syntax.asp