div.nav {
width: 100%;
background: #4e83b3;
font-size: 80%;
}

div.nav ul.nl {
width: 940px;
margin: 0 auto;
padding: 0;
background: #4e83b3; 
border-left: 1px #2c5170 solid; 
border-right: 1px #84aed2 solid;
list-style-type: none;
text-align: center;
}

div.nav ul.nl li {
width: 20%;
float: left;
}

div.nav ul.nl li a {
display: block;
position: relative; /* IE6用 */
padding: 7px 2px 4px;
border-left: 1px #84aed2 solid; 
border-right: 1px #2c5170 solid; 
text-decoration: none; 
font-weight: bold; 
color: #ffffff; 
line-height: 100%; 
}
div.nav ul.nl li a span.en {
display: block;
margin-top: 2px; 
font-size: 85%; 
font-weight: normal; 
color: #ffedcc; 
}
div.nav ul.nl li a:hover {
background: #5e91bd;
}
div.nav ul.nl li a:hover span.en {
color: #ffedcc; 
}

.clearFix:after {
content: ".";
display: block;
height: 0;
clear: both;
visibility: hidden;
}
.clearFix {
min-height: 1px;
}