img {
opacity:0.6;
filter:alpha(opacity=60);
-webkit-transition-duration: 1.0s;
-moz-transition-duration: 1.0s;
}
img:hover {
opacity:1.0;
filter:alpha(opacity=10);
-webkit-transition-duration: 1.0s;
-moz-transition-duration: 1.0s;
}