/* -- Opacidade de Imagens -- */

a img {
filter:alpha(opacity=75); 
-moz-transition:0.4s linear;
-webkit-transition:0.4s linear;
-moz-opacity:0.52; 
opacity:0.52;
padding:3px;}

a:hover img {
filter:alpha(opacity=90); 
-moz-opacity:0.80; 
opacity:0.80;
padding:3px;}