<style>
#yourID
{
background-image: url(fonts/fonts/glyphicons-halflings-regular.svg);
height: 100px;
background-color: darkgray;
}
</style>
<nav class="navbar navbar-default" role="navigation" color="blue">
<div class="container-fluid"><div class="navbar-header">
<a><img src="img/XT.jpg" style="width: 200px;"/></a>
</div>
<div>
<ul class="nav navbar-nav">
<li class="active"><a href="index.html"><font face="黑体">首页</font></a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown"><font face="黑体">
公司概况</font>
<b class="caret"></b>
</a>
<!--
作者:offline
时间:2017-11-17
描述:下拉菜单
-->
<ul class="dropdown-menu">
<li><a href="公司简介.html" >公司简介</a></li>
<li><a href="#">关于我们</a></li>
<li class="divider"></li>
</ul>
<!--
下拉菜单结束
-->
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown"><font face="黑体">
兴唐杯</font>
<b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li><a href="#">获奖项目</a></li>
<li><a href="#">比赛流程</a></li>
<li class="divider"></li>
</ul>
</li>
</ul>
<ul class="nav navbar-nav navbar-right hidden-sm">
<li><a href="login.html">登陆</a></li>
<li><a href="register.html">注册</a></li>
</u>
</div>
</div>
</nav>