body { font: normal 12px/20px arial; background:#fff; color: #000; padding:0; margin:0; text-align:center; }

#header { background: #000; padding:20px; }
#header-in { width: 800px; margin:0 auto; text-align: left; }

#main { width: 800px; margin:20px auto; text-align: left; }
table { border-collapse: collapse; border-top:1px solid #ddd; }
td { padding: 6px 30px 6px 0; border-bottom:1px solid #ddd; }

.explanation { margin-top: 30px; padding:10px; background: #eee; }