testy stuffs

# -- defines a DIV (#divone)
. -- defines a CLASS (.classone)

height -- defines height of a div
width: -- defines width of a div
px -- measurement for things in pixels (20px)
% -- measurement for things with percentage (20%, 50%, 100%)
margin -- sets a distance from another area (margin-top: 10px; margin-left: 10px; margin:10px;)
border -- sets a border on things (border: 1px solid black;)
background -- sets a background in things (background: color;)

http://www.cssdesk.com/hwY4R