senter element css code example

Example: senter element css

div.container4 {
    height: 10em;
    position: relative }
div.container4 p {
    margin: 0;
    background: yellow;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%) }

IMG.displayed {
    display: block;
    margin-left: auto;
    margin-right: auto }
...
<IMG class="displayed" src="..." alt="...">