css center content on page 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 assign something in center inside a div
IMG.displayed {
display: block;
margin-left: auto;
margin-right: auto }
...
<IMG class="displayed" src="..." alt="...">