h1{font-size:1.25em}h2{font-size:1.1em;margin-bottom:.5em}.container{padding:0}.contenuto img{//padding:15px}.button{font-size:1.25em;padding:.75em 2em}#header{margin-top:3em}#nav{text-align:right}#nav a{margin-left:2em}#footer{margin:3em 0}