margin

1.yourClass {
2  margin-bottom: 25px;
3}

1/* Apply to all four sides */
2margin: 1em;
3margin: -3px;
4
5/* vertical | horizontal */
6margin: 5% auto;
7
8/* top | horizontal | bottom */
9margin: 1em auto 2em; 
10
11/* top | right | bottom | left */
12margin: 2px 1em 0 auto;
13
14/* Global values */
15margin: inherit;
16margin: initial;
17margin: unset;

1*{
2    margin: 0;
3    padding: 0;
4    box-sizing: border-box;
5  	font-size: 2rem;
6}

1#blockOrInline-Block {margin: 0px/*top*/ 0px/*right*/ 0px/*bottom*/ 0px/*left*/;}

1*{
2    margin: 0;
3    padding: 0;
4    box-sizing: border-box;
5}

1margin: top right bottom left;