.post img { filter:alpha(opacity=60); /* Internet Explorer */ opacity:0.6; /* standard CSS3 */ -o-transition: all 0.5s; -moz-transition: all 0.5s; -webkit-transition: all 0.5s; } .post img:hover { -o-transition: all 0.3s; -moz-transition: all 0.3s; -webkit-transition: all 0.3s; -moz-transform: scale(1.3); -o-transform: scale(1.3); -webkit-transform: scale(1.3); }