body {
    padding-top:70px;
}
.navbar {
    padding:10px 0;
}
.navbar-nav {
    font-size:18px;
    font-family:'Microsoft YaHei';
    
}
   .navbar-default .navbar-nav>li>a {
        color:#acd0e0;
    }
.navbar-default .navbar-nav > .active > a, .navbar-default .navbar-nav > .active > a:hover, .navbar-default .navbar-nav > .active > a:focus {
    background-color:transparent;
    color:#3d97bf;
}

.jumbotronbg {
    height:500px;
    background-image:url(pagebg1.png);
    background-position:center center;
    background-repeat:no-repeat;

}