a img {
border: 0px;
opacity: .60;
filter: alpha(opacity=100);
-o-transition: opacity 1.5s linear;
-webkit-transition: opacity 1.5s linear;
-moz-transition: opacity 1.5s linear;}
a:hover img {
opacity: 1;
filter: alpha(opacity=80);
-o-transition: opacity .1s linear;
-webkit-transition: opacity .1s linear;
-moz-transition: opacity 1.5s linear;}