*{margin: 0; padding:0 }
body {font:16px; Georgia,serif; line-height:120%;}
#page-wrap {margin:2% auto; color: white;}
#page-wrap > .main {border:1px solid #222; padding: 1%; margin-bottom: 1px; color: black;}
header, nav, section {background: #D8F6CE;}
section #titulo {text-align: center; }
img #imagen {display: block;margin: auto; width: 20%; max-height: 180px; padding: 5%;}
footer {background: #CEECF5; text-align: center; color: black;}
nav span {margin: 0px 10px 0px 0px;}