header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
		z-index:9999;
		background: #fff;
		border-bottom: solid 2px #E3E3E3;
  /* Altri stili per personalizzare l'aspetto dell'header */
}
@media only screen and (max-width:599px){
		header div {
	 padding-left:15px !important;
		padding-right:15px !important;
}
}
@media only screen and (min-width:600px){
		header div {

	 padding-left:45px !important;
		padding-right:45px !important;
}
}
main {
		padding-top: 70px !important;
}