#cabecera {
background: #FFFBB9;
border: 1px solid #999999;
padding: 20px;}
#menu { background: #CCCCCC;
padding: 5px 15px;} 
#menu li {
display: inline-block;
list-style: none;
padding: 5px;
font: bold 14px verdana, sans-serif;}
#sección {
float: left;
width: 660px;
margin: 20px;} 
#columna {
float: left;
width: 220px;
margin: 20px 0px;
padding: 20px;
background: #CCCCCC;}
#pie { clear: both;
text-align: center;
padding: 20px;
border-top: 2px solid #999999;}
article {
background: #FFFBCC;
border: 1px solid #999999;
padding: 20px;
margin-bottom: 15px;} 
article footer {text-align: right;} 
time {color: #999999;} 
figcaption 
{font: italic 14px verdana, sans-serif;}
div {
width: 100px;
margin: 20px;
padding: 10px;
border: 1px solid #000000;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;}