valign

by Nikzilla

HTML

<div class="image_wrapper">
    <img src="http://requestaweb.com/wp-content/uploads/2014/05/css.png">
</div>

CSS

.image_wrapper {
    height: 400px;
    line-height: 400px;
    vertical-align: middle;
    background-color: gray;
    text-align: center;
}
img {
    height: 200px;
}