body {
	margin:0;
	font-size:12px;
	line-height:20px;
	font-family:Arial, Helvetica, sans-serif;
	background:url(Imagenes/bg_globo.jpg) repeat-x;
	background-position: top center;
	background-attachment:fixed;
	background-color:#3A7096;
	padding: 3;
	top: auto;
	}
a:link {
	color: #000000;
	text-decoration: none;
}


.glossymenu{
list-style-type: none;
margin: 5px 0;
padding: 0;
width: 170px;
border: 1px solid #9A9A9A;
border-bottom-width: 0;
}

.glossymenu li a{
	background: white url(menu1/glossyback.gif) repeat-x bottom left;
	font: bold 13px "Lucida Grande", "Trebuchet MS", Verdana, Helvetica, sans-serif;
	color: white;
	display: block;
	width: auto;
	padding: 8px 0;
	padding-left: 10px;
	text-decoration: none;

}


* html .glossymenu li a{ /*IE only. Actual menu width minus left padding of A element (10px) */
width: 160px;
}

.glossymenu li a:visited, .glossymenu li a:active{
color: white;
}

.glossymenu li a:hover{
background-image: url(menu1/glossyback2.gif);
}
<style type="text/css">

/*Credits: Dynamic Drive CSS Library */
/*URL: http://www.dynamicdrive.com/style/ */

#tabs {
	float:left;
	width:100%;
	font-size:93%;
	line-height:normal;
	border-bottom:1px solid #666;
	margin-bottom:1em; /*margin between menu and rest of page*/
	overflow:hidden;
	}

#tabs ul {
	margin:0;
	padding:10px 10px 0 0px;
	list-style:none;
	
	}

#tabs li {
	display:inline;
	margin:0;
	padding:0;
	}

#tabs a {
	float:left;
	background:url("menu1/left.png") no-repeat left top;
	margin:0;
	padding:0 0 0 6px;
	text-decoration:none;
	}

#tabs a span {
	float:left;
	display:block;
	background:url("menu1/right.png") no-repeat right top;
	padding:6px 15px 4px 6px;
	margin-right:2px;
	color:#FFF;
	}

/* Commented Backslash Hack hides rule from IE5-Mac \*/
#tabs a span {float:none;}

/* End IE5-Mac hack */
#tabs a:hover span {
	}

#tabs a:hover {
	background-position:0% -42px;
	}

#tabs a:hover span {
	background-position:100% -42px;
	}

.bloque {
	font-size: 12px;
	font-style: normal;
	font-color: white;
	padding: 10px;
	color: #FFFFFF;
}
.Encabezados {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 13px;
	font-style: italic;
	line-height: normal;
	text-transform: capitalize;
	color: #FFFFFF;
	background-image: url(Imagenes/transparencia_azul.png);
	padding: 3px;
}