.main { width:760px; margin:0 auto;}
.background {background: #ffffff url(../immagini/base/f_bg.png) repeat-x left top}
body{	background:#FFFFFF url(../immagini/base/b_bg.png) repeat-x left top; margin: 0 0 0 0px;}

/*2 colonne con  */
#colonne2a .col_1{width:460px; float:left;}
#colonne2a .mid{width:15px; float:left;}
#colonne2a .col_2{width:285px; float:left;}

/*2 colonne con  */
#colonne2b .col_1{width:285px; float:left;}
#colonne2b .mid{width:15px; float:left;}
#colonne2b .col_2{width:460px; float:left;}

/*2 colonne con  */
#colonne2c .col_1{width:370px; float:left;}
#colonne2c .mid{width:20px; float:left;}
#colonne2c .col_2{width:370px; float:left;}

/*2 colonne con interno layout_4 */
.colonne2lay4 .col_1{width:350px; float:left;}
.colonne2lay4 .mid{width:10px; float:left;}
.colonne2lay4 .col_2{width:350px; float:left;}

/* 3 colonne */
#colonne3 .col_1{width:246px; float:left;}
#colonne3 .mid{width:11px; float:left;}
#colonne3 .col_2{width:246px; float:left;}
#colonne3 .mid{width:11px; float:left;}
#colonne3 .col_3{width:246px; float:left;}