.wp-rubnavi{
 margin:20px auto;
  width:520px}
.wp-rubnavi a, .wp-rubnavi a:link, .wp-rubnavi a:active {
	padding: 2px 4px 2px 4px;
	margin-left : 10px;
	text-decoration: none;
	border: 1px solid #ccc;
	background-color: #FFFFFF;
	font-weight: bold;
	font-family: Verdana, Arial;
	font-size:15px;
	color:#0066CC;
	display:block;
	float:left;
}

.wp-rubnavi a:hover {	
	border: 1px solid #0057FF;
	color: #FFFFFF;
	background-color: #4D8AFF;
}

.wp-rubnavi a img {	
	float:left;
	margin-right:5px;
}