Visual CSS
Basics
COLOR Syntax OPACITY Color Names Linear Gradient Radial Gradient
Box Shadow Text Shadow Round Corners Background

Border Outline
Scrolling Box.
Alice was beginning to get very tired of sitting by her sister
on the bank, and of having nothing to do: once or twice she had peeped
into the book her sister was reading, but it had no pictures or conversations
in it, «and what is the use of a book,» thought Alice «without pictures
or conversation?».

overlap
z-index