.dropbtn {
	background: url('/images/service/icon-menu.jpg') no-repeat center; /* immagine di sfondo */  
	background-color: #FF6600;
	color: #FFFFFF;
	padding: 15px;
	font-size: 40px;
	border: none;
	cursor: pointer;
	width: 70px;
	height: 50px;
}
.dropbtn:hover, .dropbtn:focus {
	background-color: #FF6600;
	color: #FFFF00;
}

.dropdown {
    position:absolute;
    top:82;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 420px;
    height:auto;
    overflow:visible;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    color: black;
    padding: 5px 10px;
    text-decoration: none;
    display: block;
}

.dropdown a:hover {background-color: #f1f1f1}

.show {display:block;}