mihaicode
2/7/2015 - 9:21 PM

Image preloading

#grass { background: url(images/grass.png) no-repeat -9999px -9999px; }
#grass:hover { background-position: bottom left; }

/* Load the image on the element's regular state, 
    only shift it away with background position. 
    Then move the background position to display it on hover.*/