.previev-materialy-1,
.previev-materialy-2,
.previev-materialy-3{
	background: transparent url('img/foto.jpg');
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}
.previev-materialy-1{}
.previev-materialy-2{}
.previev-materialy-3{}
.materialy-menu-item-title{
	font-size: 30px;
	    line-height: 35px;
	color: #000000;
	text-decoration: none;
}
a:hover{
	text-decoration: none;
}