HTML and CSS Advanced
Level 2 Slides
Chapter 1 - Creating Web Page Layouts
Chapter 2 - Managing CSS
Chapter 3 - Testing a Website
Chapter 4 - Creating Advanced Navigation
Chapter 5 - Incorporating Meta-Content and Multimedia
Resources
W3Schools - HTML and CSS tutorials
HTML Editors
Brackets - Live editing of HTML and CSS when linked with Chrome browser
File/Folder Comparison Software
Devart Code Compare - Free (supports Windows)
Beyond Compare - $30/$50 (supports Windows and Linux)
Araxis Merge - $129/$269 (supports Windows and OSX)