.alto_logo img {
	height:60px;
    margin: 15px 80px 15px 80px;
	cursor: pointer;
}

.header {
	position: relative;
	background: #fff;
    -webkit-box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.5);
    -moz-box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.5);
    box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.5);
    z-index: 2000;
    }

@media(max-width: 1100px){
  .alto_logo img {
	height:40px;
    margin: 10px 20px 10px 20px;
    }
}