Advanced HTML5: wireframing, display of information, CSS, font control, Divisions, tables, images, absolute and relative positioning
CSS Media Queries
Common devices
Flexbox
General Sibling Combinators #1 / #2 / #3

Vendor tags reference: -webkit, -moz http://shouldiprefix.com

Visual resume: Using HTML5 and CSS3, transform your resume into an interactive site, using transformations, animation, video, images, etc. OJO: Be creative, showcase your passion, and take risks!
Very advanced examples
Robby Leonardi
Charles Richard
An-Ni Wang

Barton / Lettera / Carleton / Magoulas / Dennis / Kootz / Gosson