CSS margin-bottom property

Property values

0 lengthDefault

0

There is no thickness of the margin area on the bottom side of the border box.

margin-bottom: 0;

Try it { }

+ve length

20

There is 20px space on the bottom side of the box.

margin-bottom: 20px;

Try it { }

-ve length

-20

The space on the bottom side of the border decreases by 20px i.e. the content below this box may merge into this box.

margin-bottom: -20px;

Try it { }