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/* Menu centrato */
#rt-header .menu-block {
 float:left;
 width:100%;
 position:relative;
}

#rt-header ul.gf-menu {
 clear:left;
 float:right;
 position:relative;
 right:50%;
 text-align:center;
}

#rt-header ul.gf-menu > li {
 display:block;
 float:left;
 position:relative;
 left:50%;
}