*{margin:0}
body{font:16px Arial, Sans-Serif, Serif}

main{width:960px;max-width: 95%;margin:0 auto}

header{height:60px;width:960px;max-width:100%;line-height:60px}

nav{width: 960px;height: 27px;line-height:27px;margin-bottom:15px}

section{margin:15px 0 15px 0}

header h1 a{font-size:2em}

article h2{font-size:1.5em;margin-bottom:15px}

section h2{font-size:1.2em;margin-bottom:15px}

footer{height:30px;text-align: center;line-height:30px}

video,iframe{width:960px}

nav ul li{display: inline; margin-right:24px}