SOURCE

<div class="header">
  <h1><span>Baby Housing</span></h1>
  <ul class="mainNavigation">
    <li class="current"><a href="#"><strong>网站首页</strong></a></li>
      <li ><a href="#"><strong>产品介绍</strong></a></li>
      <li ><a href="#"><strong>信息</strong></a></li>
      <li ><a href="#"><strong>畅销排行榜</strong></a></li>
  </ul>
  <ul class="topNavigation">
    <li ><a href="#"><span>关于我们</span></a></li>
    <li ><a href="#"><span>联系方式</span></a></li>
      <li ><a href="#"><span>意见建议</span></a></li>
  </ul>
  <ul class="accountBox">
    <li><a href="#" class="login"><span>登录账号</span></a></li>
     <li><a href="#" class="login"><span>购物车</span></a></li>
  </ul>
  </div>
</div>

body{
  margin:0;
  padding:0;
  background-image:url(http://img1.3lian.com/2015/a1/121/110.jpg);
  font:12px/1.6 ariaql;
}
ul{
  margin:0;
  padding:0;
  list-style:none;
}
a{
  text-decoration:none;
  color:#3D81B4;
}
p{
  text-indent:2em;
}
.header{
  position:relative;
  width:760px;
  height:138px;
  margin:0 auto;
  font :14px/1.6 arial;
}
.header h1{
  background-image
}