.cont_top h2#navLogo {
float: left;
width: 150px;
height: 42px;
background: url('../images/message_logo.png?2015') no-repeat 0 -389px;
}
#navDiv ul li a
{
float: left;
color: #fff;
padding: 0 28px;
font-size: 14px;
text-align: center;
font-family: "微软雅黑";
}