margin use in style code example

Example 1: html inline style margin

<div class="myClass" style="margin-top: 20px;">
<div class="myClass">
<div class="myClass" style="margin-bottom: 20px;">

Example 2: css margin

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