how to place dev at center code example

Example 1: how to center a div vertically and horizontally

.container{	
	margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  	width: /* Define the width here; */
    height: /* Define the height here; */
}

/*You have to define the width and height! */

Example 2: how to make a division center css

position:absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);