.shadetabs{
padding: 3px 0;
margin-left: 0;
margin-top: 1px;
margin-bottom: 0;
font: bold 12px Verdana;
list-style-type: none;
text-align: left; /*set to left, center, or right to align the menu as desired*/
}

.shadetabs li{
display: inline;
margin: 0;
}

.shadetabs li a{
text-decoration: none;
padding: 3px 7px;
margin-right: 3px;
border: 1px solid #778;
color: #2d2b2b;
background: white url(../images/shade.gif) top left repeat-x;
}

.shadetabs li a:visited{
color: #2d2b2b;
}

.shadetabs li a:hover{
text-decoration: underline;
color: #2d2b2b;
}

.shadetabs li.selected{
position: relative;
top: 1px;
}

.shadetabs li.selected a{ /*selected main tab style */
background-image: url(../images/shadeactive.gif);
border-bottom-color: white;
}

.shadetabs li.selected a:hover{ /*selected main tab style */
text-decoration: none;
}

.contentstyle{
border: 1px solid gray;
width: 550px;
margin-bottom: 1em; padding: 10px;
}
#contenido1, #contenido2, #contenido3, #contenido4{
	font-family:Arial, helvetica, sans-serif;
	font-size:11px;
	line-height:16px;
	text-align:justify;
	/*float:left;*/
	clear:left;
	/*display:block;*/
	border:solid #CCCCCC 1px;
	width:550px;
	/*height:370px;*/
	height:auto;
	padding:0px;
}