<style>

#dlmenu {height:10em; margin:0px 0 300px 0px;}

#menu {list-style-type:none; margin:0 0 10px; padding:0; position:absolute; width:13em; background:#000; z-index:100;}

#menu li {display:block; padding:0; margin:0; position:relative; z-index:100;}

#menu li a, #menu li a:visited {display:block; text-decoration:none;}

#menu li dd {display:none;}

#menu li:hover, #menu li a:hover {border:0;}

#menu li:hover dt a , #menu li a:hover dt a {background:#072956; color:#fff; }

#menu li:hover dd, #menu li a:hover dd {display:block;}

#menu li:hover dl, #menu li a:hover dl {background:#b4be9c;}

#menu table {border-collapse:collapse; padding:0; margin:-4px; font-size:1em;}

#menu dl {width: 13em; margin: 0; background: #000; cursor:pointer;}

#menu dt {margin:0; padding: 0; font-size:16px; border-top:1px solid #cce; text-align:left; font-family:Arial;}

#menu dd {margin:0; padding:0; font-size:12px; text-align:left; font-family:Arial;}

.gallery dt a, .gallery dt a:visited {display:block; color:#fff; padding:5px 5px 5px 10px; background:#2C7EB0;}

.gallery dd a, .gallery dd a:visited {color:#CEE7FF; min-height:1em; text-decoration:none; display:block; padding:5px 5px 4px 15px; background:#13509f;}

* html .gallery dd a, * html .gallery dd a:visited {height:1em;}

.gallery dd a:hover {background:#F29400; color:#fff;}

/**************************************************************************************************************************************************************/

body {
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	text-align:center; /*PARA ALINEAR EL DIV-CONTENIDO AL CENTRO EN IE7*/
}
#header{
margin:0 auto 0 auto;
width:1000px;
background:#072956;
color:#FFFFFF;
font-family:Arial;
}
#footer{
width:1000px;
margin:0 auto 0 auto; /*PARA ALINEAR EL DIV-CONTENIDO AL CENTRO*/
}
#contenido{
background: #000000;
margin:0 auto 0 auto; /*PARA ALINEAR EL DIV-CONTENIDO AL CENTRO*/
width:1000px;
}
#contenido_izquierdo{
float:left;
width:210px;
margin-top:0px;
}
#menus{
width:210px;
height:500px;
}
#contenido_derecho{
float:right;
width:780px;
}
html>body #contenido_derecho{
float:right;
width:780px;
margin-right:0px;
}
#linea{
border: 1px solid #252760;
}

/************************************************************************************************************************************************************/

#titulo_index{
font-family:Arial;
font-size:26px;
color: #000;
font-weight:bold;
}
img{
border:#FFFFFF;
}
#submit_imagen{
color: #000;
background:transparent url(imagenes/boton-entrar.gif); 
border: 1px solid #FFF6DE;
width:230px;
height:52px;
}
#input_index{
color:#000000;
background:#ffffff;
border: 1px solid #000000;
height: 31px;
font-family: Arial;
font-weight:bold;
font-size:14px;
}
#parrafo{
font-family:Arial;
font-size:12px;
color: #000;
}
#etiqueta{
font-family:Arial;
font-size:12px;
color: #000;
font-weight:bold;
}
#borde_tabla{
border: 2px solid #072956;
}
#fondo_tabla{
background: #BBDBEE;
}
</style>