Required things for web page to validate
Know when and how to use the following tags and CSS properties:
HTML tags - <a>, <body>, <br>, <h1> ... <h6>, <head>, <html>, <img>, <li>, <link>, <meta>, <ol>, <p>, <span>, <style>, <ul>
HTML properties - alt, class, height, href, id, src, style, utf, width
CSS properties - background-color, clear, color, float, font-family, font-size, max-width, text-align, text-decoration, width
February 20, 2022