What is the new syntax for html5 and CSS 3 ?

Question

I really want to learn web development and I need help. can anyone help me in the process.

Answer 1

New HTML5 elements :
1. <header>
2. <footer>
3. <article>
4. <section>
5. <svg>
6. <canvas>
7. <audio>
8. <video>

CSS3 : https://www.w3schools.com/css/css3_intro.asp