body { background-color: #ebebeb;
font-family: serif, sans-serif; color: #000}
h2 {color: #000}
h3 {color: red}
#navegador{ background-color: #d0d0FF;
width: 850px;
font-color: #000;
padding : 0 4px;
border: 1px solid #000;
}
a.enlacenav:HOVER{color:red;text-transform:uppercase;}
address {margin-top: 1em;
width: 850px;
padding-top: 1em;
border-top: thin dotted }

#contenedor{
    text-align: left;
    width: 770px;
    margin: auto;}
#cuerpo{
    margin: 10 0 10 0px;
    padding: 2 2 2 2px; 
}
#principal{
    margin-left: 17px;
    background-color: #00f;
    padding: 4 4 4 4px;
    width: 460px;border: 4px solid;}

#izquierdo {
	position:absolute;
	top:250px;
	left:80px;
	background-color: #d0d0ff;
	width: 450px;
	text-align: left;
}
	#derecho{
	position:absolute;
	top:250px;
	left:540px;
	background-color: #d0d0ff;
	width: 450px;
	text-align: left;
}