CSS Tutorial

Variations

margin:10px;
All four sides have a margin of 10 pixels.
margin:10px 20px;
Top and bottom have a margin of 10 pixels.
Right and left have a margin of 20 pixels.
margin:10px 20px 30px;
Top is 10px
Left and right are 20px
Bottom is 30px
margin:10px 20px 30px 40px;
Top is 10px
Right is 20px
Bottom is 30px
Left is 40px