Targhette spente e accese / Sfocate

.web a:link img, .web a:visited img {filter:alpha(opacity=30); -moz-opacity: 0.5; opacity: 0.5}
.web a:hover img {filter:alpha(opacity=100); -moz-opacity: 1.0; opacity: 1.0}

a:hover .s {filter: blur}