{margin:0; padding:0;}
header, footer, aside, nav, article, section {display:block;}
a{color:#369;text-decoration:none;}
body{color:#333; font:11px/13px Tahoma;margin:0 auto; padding:0; width:770px;}
nav {background:#69C;border-bottom:1px solid #369; height:17px;}
nav ul {list-style:none; margin:0px; padding:0px;}
nav ul li {float:left; }
nav ul li a {color:#FFF; display:block; margin:0; padding:2px 0px 2px 5px;}
nav ul li a b {color:#369; font-weight:normal; margin:2px 0 -2px 0; padding:0 0 0 5px;}
header {background:url(http://www.ciencia-ficcion.com.mx/_img/cabeza.jpg) no-repeat 0 18px; height:180px; }
h1{color:#69C; font:35px Tahoma; margin:0 10px; padding:112px 0 0 0;}
footer {background:#DDD; height:34px; margin:10px 0 0 0;}
footer ul {list-style:none; margin:0; padding:0; width:485px; float:left; }
footer ul li {float:left; }
footer ul li a {color:#999; display:block; margin:0; padding:11px 10px 11px 10px;}
#content {margin:10px;}
#banner {float:right;}
.last {float:right; padding:0 10px;}