margin: 2px; /*(All)*/
margin: 1px 2px; /*(Top+Bottom, Right+Left)*/
margin: 1px 2px 3px; /*(Top, Right+Left, Bottom)*/
margin: 1px 2px 3px 4px; /*(Top, Right, Bottom, Left)*/
margin-top: 2px;
margin-right: 2px;
margin-bottom: 2px;
margin-left: 2px;