jQuery UI -> Problema con Tabs, ¡¡Imposible!!

[jesusjj]

Muchas gracias, resuelto el tema. En cuanto a las clases, he dejado finalmente así el fichero de estilos:

Código:

@charset "utf-8"

html {
margin: 0px;
padding: 0px;
}

body {
background: #ccc url('img/back.jpg') repeat-x;
text-align: center;
margin: 0px;
padding: 0px;
font-family: helvetica,verdana, arial;
font-size: 10pt;
font-weight: 100;
color: #333;
}

p {
	margin-top: 20px;
}

dl {
font-size: 11pt;
font-weight: bold;
font-style: italic;
border: 1px solid #555;
padding: 5px;
}

dt {
font-size: 10pt;
font-style: normal;
font-weight: bold;
padding: .3em;
padding-left: 15px;
margin-bottom: 2px;
background: #ccc;
}

dd {
font-size: 10pt;
font-style: italic;
font-weight: normal;
padding-bottom: .2em;
}

a {
	text-decoration: none;
	font-weight: bold;
	color: #0000FF;
}

a:hover {
	color: #ff6633;
}

label {
  display: block;
  margin: .5em 0 0 0;
}

legend {
	font-family: "Courier New";
	font-size: .8em;
	font-weight: bold;
	padding-left: 5px;
	padding-right: 5px;
	border: 1px #555 solid;
	background: #ccc;
	color: #555;
}

fieldset {
	border: 1px solid #555;
	margin: auto;
	margin-bottom: 10px;
	padding: 10px;
	width: 450px;
	clear: both;
}

/* Menú Tab */

#tabbed_box {
	margin: auto;
	width: 300px;
}

#tabs ul {
	margin: 0px;
	padding: 0px;
	margin-top: 5px;
	margin-bottom: 6px;
}

#tabs ul li {
	list-style: none;
	display: inline;
}

#tabs ul li a {
	background-color: #464c54;
	color: #ccc;
	padding: 8px 14px 8px 14px;
	text-decoration: none;
	font-size: 9px;
	font-family: Verdana, Geneva, sans-serif;
	font-weight: bold;
	text-transform: uppercase;
	border-left: 1px solid #aaa;
	border-top: 1px solid #aaa;
	border-right: 1px solid #aaa;
}

#tabs ul li a:hover {
	background-color: #2f343a;
	border-color: #aaa;
	color: #eee;
}

#tabs li.ui-tabs-selected a  {
	background-color: #ddd;
	color: #333;
	border: 1px solid #aaa;
	border-bottom: solid 1px #ddd;
}

.content {
	background-color: #ddd;
	padding: 10px;
	border: 1px solid #aaa;
}

.content ul li:last-child {
	border-bottom: none;
}

.ui-tabs .ui-tabs-hide {
     display: none;
}