All CSS Margin Properties
In CSS, it is possible to specify different margins for different sides:
Example
margin-top:100px;
margin-bottom:100px;
margin-right:50px;
margin-left:50px;
The margin property can have from one to four values.
margin:25px 50px 75px 100px;
top margin is 25px , right margin is 50px , bottom margin is 75px , left margin is 100px
margin:25px 50px 75px; , top margin is 25px , right and left margins are 50px , bottom margin is 75px
margin:25px 50px; , top and bottom margins are 25px , right and left margins are 50px
margin:25px; , all four margins are 25px