img  {margin:1em;}
input.celle {width:80%;}

#pagina{width:100%; position:relative; text-align:center;}
#div_barra_verde {background-color:#339999; width:100%; height:2em; position:absolute;}
img_banner {position:absolute;z-index:1;}
#link {width:80%; border-top:solid 1px; border-color:#339999; padding:.5em; margin:0 9%;}
#div_inferiore {clear:both; border-top:solid 1px; border-color:#339999; padding:.5em;}
.titolo {clear:both; font-size:1.3em; color:#ffffff; background-color:#339999; padding:0 1em; }
#centro {width:70%; text-align:justify; margin:0 15%;}
.centra40 {margin-left:30%;}
.selezionato {font-size:1.3em; background-color:#ffff99; color:#000000; padding:2px; border:2px outset #ffff66;}
#form {margin-left:15%; width:70%; margin-right:15%; }
.div_label {width:19%; float:left; margin-bottom:1em; text-align:right;}
.div_input {width:30%; float:left;}
.riga {clear:both;}
#txt_richiesta {width:74%;}
#comandi   {margin-top:1em; text-align:right;}
.messaggio {margin:1em; padding:.3em; width:50%; background-color:#339999; color:#ffffff; font-size:1.3em; font-weight:bold; }

.img_dx {float:right;}
.img_sx {float:left;}