*{ margin:0px; padding:0px;}
body {font-family: 'Gloria Hallelujah', cursive; background-image:url(../images/cuadradito2.png); text-align:center }/* CSS Document */

header, nav, section, article, aside, footer {display:block; }
nav { background-color: }
section {background-color: #33CC00}
aside{background-color: #0033FF }
footer{background-color: #9900FF}
#agrupar { width:960px; background-color: #FF0000; margin:15px auto;}
#cabecera { background-color: #FF6600}
#menu { background:#FFFF00; padding:5px 15px; }
#menu li { display: inline-block; list-style:none; padding:5px;}
#section { float:left; width:660px}
#columna { float:left; width:300px}