Effetto targhette rotatorio

/* TARGHETTE ACCESE/SPENTE | FORMA E OMBRA */
.web a:link img, .web a:visited img {filter:alpha(opacity=80); -moz-opacity: 0.6; opacity: 0.6; margin: 5px;
transition-property: all; /*standard*/
transition-duration: 0.5s;
-webkit-transition-property: all; /*safari*/
-webkit-transition-duration: 0.5s;
-o-transition-property: all; /*opera*/
-o-transition-duration: 0.5s;
-moz-transition-property: all; /*firefox*/
-moz-transition-duration: 0.5s}

.web a:hover img {filter:alpha(opacity=100); -moz-opacity: 1.0; opacity: 1.0; -webkit-transform: rotate(-5deg);
-moz-transform: rotate(-5deg);
transform: rotate(-5deg); margin: 5px}