* {
margin:0px;
padding:0px;
}
#contenedor
{
width:100%;
margin:0px;
border:1px solid #000;
line-height:130%;
background-color:#f2f2f2;
}
#cabecera
{
padding:10px;
color:#fff;
background-color:#becdfe;
clear:left;
}
#columna1
{
float:left;
width:780x;
margin:0;
padding:1em;
}
#columna2
{
margin-left:210px;
margin-right:230px;
border-left:1px solid #aaa;
border-right:1px solid #aaa;
padding:1em;
}
#columna3
{
float:right;
width:780px;
margin:0;
padding:1em;
}
#pie {
padding:10px;
color:#fff;
background-color:#becdfe;
clear:left;
}

#menu {
font-family: Arial;
}
#menu p {
margin:0px;
padding:0px;
}
#menu a {
display: block;
padding: 3px;
width: 160px;
background-color: #f7f8e8;
border-bottom: 1px solid #eeeeee;
text-align:center;
}
#menu a:link, #menu a:visited {
color: #ff0000;
text-decoration: none;
}
#menu a:hover {
background-color: #336699;
color: #ffffff;
}