body {background-color:rgb(240,240,240);text-align:center;width:1024px;margin:auto;font-size:10px;font-family:Arial;}
header, section, article, nav, footer, hgroup {display:block;}
header {padding:10px;text-align:center;}
article {padding:10px;margin:20px;background-color:rgb(250,250,250);text-align:center;}
table,tr {width:100%;text-align:center;}
td {width:50%;}
section {background-color:rgb(240,240,240);}