修改導航列

<!-- Navigation -->
    <nav class="navbar navbar-default navbar-fixed-top">
        <div class="container">
            <!-- Brand and toggle get grouped for better mobile display -->
            <div class="navbar-header page-scroll">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a class="navbar-brand" href="#page-top">Start Bootstrap</a>
            </div>

            <!-- Collect the nav links, forms, and other content for toggling -->
            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                <ul class="nav navbar-nav navbar-right">
                    <li class="hidden">
                        <a href="#page-top"></a>
                    </li>
                    <li class="page-scroll">
                        <a href="#portfolio">Portfolio</a>
                    </li>
                    <li class="page-scroll">
                        <a href="#about">About</a>
                    </li>
                    <li class="page-scroll">
                        <a href="#contact">Contact</a>
                    </li>
                </ul>
            </div>
            <!-- /.navbar-collapse -->
        </div>
        <!-- /.container-fluid -->
    </nav>

`<ul><li></li></ul>`

無序列表

範例：http://www.w3schools.com/tags/tryit.asp?filename=tryhtml_lists4

主要有二種外觀

.navbar-default 預設

.navbar-inverse 反白

 <!-- Navigation -->
 <nav class="navbar navbar-default navbar-fixed-top">

隱藏 hidden


                    <li class="hidden">
                        <a href="#page-top"></a>
                    </li>

導航位置

正常位置
固定在上方 .navbar-fixed-top‧
固定在下方 .navbar-fixed-bottom
 <nav class="navbar navbar-default navbar-fixed-top">