body 
{
margin: 0; 
padding: 0;   
background-image: url(images/fondo.jpg)

}




   #listamenu
{
padding-left: 0px;
margin-left: 50px;
margin-top: 50px;
background-color: white;
width: 150px;
z-index:1
}

#listamenu4
{
padding-left: 0px;
margin-left: 650px;
margin-top: -388px;
background-color: white;
width: 165px;
z-index:1
}


#listamenu4 a:hover 
{
color: red;
font-weight: bold;
}




   #listamenu4 li
{
list-style: none;
margin: 0;
padding: 6px;


}

   #listamenu4 li a
{
text-decoration: none;
font-size: 13px;
font-family: verdana;
font-weight: bold;

}

   ul#listamenu4 li a 
{ 
color: #333333;
padding-left: 10px;
}


#listamenu3
{
padding-left: 0px;
margin-left: 450px;
margin-top: -390px;
background-color: white;
width: 155px;
z-index:1
}


#listamenu3 a:hover 
{
color: red;
font-weight: bold;
}




   #listamenu3 li
{
list-style: none;
margin: 0;
padding: 6px;


}

   #listamenu3 li a
{
text-decoration: none;
font-size: 13px;
font-family: verdana;
font-weight: bold;

}

   ul#listamenu3 li a 
{ 
color: #333333;
padding-left: 10px;
}







#listamenu2
{
padding-left: 0px;
margin-left: 250px;
margin-top: -390px;
background-color: white;
width: 170px;
z-index:1
}


#listamenu2 a:hover 
{
color: red;
font-weight: bold;
}




   #listamenu2 li
{
list-style: none;
margin: 0;
padding: 6px;


}

   #listamenu2 li a
{
text-decoration: none;
font-size: 13px;
font-family: verdana;
font-weight: bold;

}

   ul#listamenu2 li a 
{ 
color: #333333;
padding-left: 10px;
}


   #nucleo
{
position: absolute;
padding-left: 0px;
margin-left: 400px;
margin-top: -370px;
}

   #cabecera
{
position: absolute;
padding-left: 0px;
margin-left: 38px;
margin-top: -380px;
}




#listamenu a:hover 
{
color: red;
font-weight: bold;
}




   #listamenu li
{
list-style: none;
margin: 0;
padding: 6px;


}

   #listamenu li a
{
text-decoration: none;
font-size: 13px;
font-family: verdana;
font-weight: bold;

}

   ul#listamenu li a 
{ 
color: #333333;
padding-left: 10px;
}




 
   #centro
{
position: relative;
background: white;
left: 60px;
top:50px;
width: 873px;
height: 500px;
z-index:2
}


 
.retorn{
font-size: 13px;
font-weight:bold;
color: red;
font-family:verdana;
margin-left: 66px;
margin-top:60px;
color: red;

}