Margin
two boxes without margin:
box1
box2
first box without margin, second box with margin:
box1
box2
two boxes with margin:
box1
box2
Borders
solid
cat
dotted
cat pee
dashed
cat pee
double
cat pee
inset
cat pee
outset
cat pee
Padding
Two boxes without padding
box1
box2
Two boxes: first box with padding
box1
box2