display div in center of page css code example
Example 1: center div in middle of page
.centered {
position: fixed;
top: 50%;
left: 50%;
/* bring your own prefixes */
transform: translate(-50%, -50%);
}
Example 2: how to center an image element inside a block in css
img { display:block;
margin-left: auto;
margin-right:auto;
}