html,body{font-family:Open Sans,Helvetica Neue,Helvetica,Arial,sans-serif;margin:0;padding:0;font-size:15px}header,section,footer{max-width:1200px;margin:0 auto}header{padding:10px 0 0;display:flex;flex-direction:row}header .spacer{flex:1}header img{height:80px}header nav{margin-top:30px}header nav ul{padding:0;margin:0;display:flex;flex-direction:row}header nav li{display:block;padding:10px}header nav a{text-decoration:none;color:#000;text-transform:uppercase}section{margin-top:20px}h2{font-size:2.5rem}h3{font-size:1.5rem}