效果图:

代码:
- 下载Bootstrap
- 在项目中将这三个文件夹复制
- 创建html页面,引入必要的资源文件
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Bootstrap Hello World</title>
<link href="css/bootstrap.min.css" rel="stylesheet">
<script src="js/jquery-3.2.1.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<style>
.paddtop{
padding-top: 10px;
}
.search-btn{
float: left;
border:2px solid #ffc900;
width: 90px;
height: 35px;
background-color: #ffc900;
text-align: center;
line-height: 35px;
margin-top: 15px;
}
.search-input{
float: left;
border:2px solid #ffc900;
width: 400px;
height: 35px;
padding-left: 5px;
margin-top: 15px;
}
.jx{
padding-bottom: 5px;
border-bottom: 1px solid #ffc900;
}
.jx_t{
margin-top: 10px;
}
.company{
height: 40px;
background-color: #ffc900;
text-align: center;
line-height: 40px;
font-size: 8px;
}
</style>
</head>
<body>
<header class="container-fluid">
<div class="row">
<img src="img/top_banner.jpg" class="img-responsive">
</div>
<div class="row paddtop">
<div class="col-md-3">
<img src="img/logo_xiecheng.png" class="img-responsive">
</div>
<div class="col-md-6">
<input class="search-input" placeholder="请输入线路名称">
<a class="search-btn" href="#">搜索</a>
</div>
<div class="col-md-3">
<img src="img/hotel_tel.png" class="img-responsive">
</div>
</div>
<div class="row">
<nav class="navbar navbar-inverse">