CS50 at Harvard

https://cs50.harvard.edu

Create 3D Social Media Buttons with CSS3

http://www.flashuser.net/css3-social-media-buttons
http://www.flashuser.net/css3-box-shadow-and-text-shadow-properties

CSS3: box-shadow and text-shadow properties
http://www.flashuser.net/css3-box-shadow-and-text-shadow-properties

10 Web design trends you can expect to see in 2014

http://thenextweb.com/dd/2013/12/29/10-web-design-trends-can-expect-see-2014/#!yKsWu

Vector Graphics

Vecteezy

Free Vector

Vector Stock

Vectorspedia

Freevectors

Vectorbee

Vector.so

Multiple Columns, Overflow, Transition Property

Multiple Columns
http://www.w3schools.com/css/css3_multiple_columns.asp

Overflow
http://www.w3schools.com/cssref/pr_pos_overflow.asp

Transition Property
http://www.w3schools.com/cssref/css3_pr_transition.asp

Animated Scroll to Top (auto appear)

http://webdesignerwall.com/tutorials/animated-scroll-to-top

DEMO

http://webdesignerwall.com/demo/scroll-to-top/scrolltotop.html