Recommended Software

We recommend you to use Notepad++ or Visual Studio Code for writing HTML 5 & CSS 3 codes so that it will be more convenient and improve your productivity.
https://notepad-plus-plus.org/
https://code.visualstudio.com/

W3Schools

W3Schools provide the resources for you to learn. It is easy to refer and they also provide a coding platform for you to writing the code to practice the programming language too.

https://www.w3schools.com/

Other resources

• https://html.com/blog/html-5-cheat-sheets/
• https://cheatography.com/tahirtaous/cheat-sheets/css3-browser-support-information/