How to center image vertically?

Question

I am looking for a way to center the image vertically, something that is similar to text-align center. text-align center is kinda efficient since y

Answer 1

in a parent div id parentDiv .. set image on background

#parentDiv
{
background:url(image.png) no-repeat center center;
height:500px;
width:500px;
}

or in child div do this thing...

position:absolute;
   top:50%;