<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>导航条</title>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
</head>
<body>
<!--基本导航条-->
<div class="navbar navbar-default" role="navigation">
<ul class="nav navbar-nav">
<li class="active"><a href="##">网站首页</a></li>
<li><a href="##">系列教程</a></li>
<li><a href="##">名师介绍</a></li>
<li><a href="##">成功案例</a></li>
<li><a href="##">关于我们</a></li>
</ul>
</div>
<div class="navbar navbar-default" role="navigation">
<div class="navbar-header">
<a href="##" class="navbar-brand">慕课网</a>
</div>
<ul class="nav navbar-nav">
<li class="active"><a href="##">网站首页</a></li>
<li class="dropdown">
<a href="##" data-toggle="dropdown" class="dropdown-toggle">系列教程<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="##">CSS3</a></li>
<li><a href="##">JavaScript</a></li>
<li class="disabled"><a href="##">PHP</a></li>
</ul>
</li>
<li><a href="##">名师介绍</a></li>
<li><a href="##">成功案例</a></li>
<li><a href="##">关于我们</a></li>
</ul>
<form action="##" class="navbar-form navbar-left" rol="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="请输入关键词" />
</div>
<button type="submit" class="btn btn-default">搜索</button>
</form>
</div>
<!--代码-->
<script src="https://www.imooc.com/static/lib/jquery/1.9.1/jquery.js"></script>
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
</body>
</html>
.navbar {
position: relative;
min-height: 50px;
margin-bottom: 20px;
border: 1px solid transparent;
}
@media (min-width: 768px) {
.navbar {
border-radius: 4px;
}
}
@media (min-width: 768px) {
.navbar-header {
float: left;
}
}
.navbar-collapse {
max-height: 340px;
padding-right: 15px;
padding-left: 15px;
overflow-x: visible;
-webkit-overflow-scrolling: touch;
border-top: 1px solid transparent;
box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1);
}
.navbar-collapse.in {
overflow-y: auto;
}
@media (min-width: 768px) {
.navbar-collapse {
width: auto;
border-top: 0;
box-shadow: none;
}
.navbar-collapse.collapse {
display: block !important;
height: auto !important;
padding-bottom: 0;
overflow: visible !important;
}
.navbar-collapse.in {
overflow-y: visible;
}
.navbar-fixed-top .navbar-collapse,
.navbar-static-top .navbar-collapse,
.navbar-fixed-bottom .navbar-collapse {
padding-right: 0;
padding-left: 0;
}
}
.container > .navbar-header,
.container-fluid > .navbar-header,
.container > .navbar-collapse,
.container-fluid > .navbar-collapse {
margin-right: -15px;
margin-left: -15px;
}
@media (min-width: 768px) {
.container > .navbar-header,
.container-fluid > .navbar-header,
.container > .navbar-collapse,
.container-fluid > .navbar-collapse {
margin-right: 0;
margin-left: 0;
}
}
.navbar-static-top {
z-index: 1000;
border-width: 0 0 1px;
}
@media (min-width: 768px) {
.navbar-static-top {
border-radius: 0;
}
}
.navbar-fixed-top,
.navbar-fixed-bottom {
position: fixed;
right: 0;
left: 0;
z-index: 1030;
}
@media (min-width: 768px) {
.navbar-fixed-top,
.navbar-fixed-bottom {
border-radius: 0;
}
}
.navbar-fixed-top {
top: 0;
border-width: 0 0 1px;
}
.navbar-fixed-bottom {
bottom: 0;
margin-bottom: 0;
border-width: 1px 0 0;
}
.navbar-brand {
float: left;
height: 50px;
padding: 15px 15px;
font-size: 18px;
line-height: 20px;
}
.navbar-brand:hover,
.navbar-brand:focus {
text-decoration: none;
}
@media (min-width: 768px) {
.navbar > .container .navbar-brand,
.navbar > .container-fluid .navbar-brand {
margin-left: -15px;
}
}
.navbar-toggle {
position: relative;
float: right;
padding: 9px 10px;
margin-top: 8px;
margin-right: 15px;
margin-bottom: 8px;
background-color: transparent;
background-image: none;
border: 1px solid transparent;
border-radius: 4px;
}
.navbar-toggle:focus {
outline: none;
}
.navbar-toggle .icon-bar {
display: block;
width: 22px;
height: 2px;
border-radius: 1px;
}
.navbar-toggle .icon-bar + .icon-bar {
margin-top: 4px;
}
@media (min-width: 768px) {
.navbar-toggle {
display: none;
}
}
.navbar-nav {
margin: 7.5px -15px;
}
.navbar-nav > li > a {
padding-top: 10px;
padding-bottom: 10px;
line-height: 20px;
}
@media (max-width: 767px) {
.navbar-nav .open .dropdown-menu {
position: static;
float: none;
width: auto;
margin-top: 0;
background-color: transparent;
border: 0;
box-shadow: none;
}
.navbar-nav .open .dropdown-menu > li > a,
.navbar-nav .open .dropdown-menu .dropdown-header {
padding: 5px 15px 5px 25px;
}
.navbar-nav .open .dropdown-menu > li > a {
line-height: 20px;
}
.navbar-nav .open .dropdown-menu > li > a:hover,
.navbar-nav .open .dropdown-menu > li > a:focus {
background-image: none;
}
}
@media (min-width: 768px) {
.navbar-nav {
float: left;
margin: 0;
}
.navbar-nav > li {
float: left;
}
.navbar-nav > li > a {
padding-top: 15px;
padding-bottom: 15px;
}
.navbar-nav.navbar-right:last-child {
margin-right: -15px;
}
}
@media (min-width: 768px) {
.navbar-left {
float: left !important;
}
.navbar-right {
float: right !important;
}
}
.navbar-form {
padding: 10px 15px;
margin-top: 8px;
margin-right: -15px;
margin-bottom: 8px;
margin-left: -15px;
border-top: 1px solid transparent;
border-bottom: 1px solid transparent;
-webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 1px 0 rgba(255, 255, 255, .1);
box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 1px 0 rgba(255, 255, 255, .1);
}
@media (min-width: 768px) {
.navbar-form .form-group {
display: inline-block;
margin-bottom: 0;
vertical-align: middle;
}
.navbar-form .form-control {
display: inline-block;
width: auto;
vertical-align: middle;
}
.navbar-form .input-group > .form-control {
width: 100%;
}
.navbar-form .control-label {
margin-bottom: 0;
vertical-align: middle;
}
.navbar-form .radio,
.navbar-form .checkbox {
display: inline-block;
padding-left: 0;
margin-top: 0;
margin-bottom: 0;
vertical-align: middle;
}
.navbar-form .radio input[type="radio"],
.navbar-form .checkbox input[type="checkbox"] {
float: none;
margin-left: 0;
}
.navbar-form .has-feedback .form-control-feedback {
top: 0;
}
}
@media (max-width: 767px) {
.navbar-form .form-group {
margin-bottom: 5px;
}
}
@media (min-width: 768px) {
.navbar-form {
width: auto;
padding-top: 0;
padding-bottom: 0;
margin-right: 0;
margin-left: 0;
border: 0;
-webkit-box-shadow: none;
box-shadow: none;
}
.navbar-form.navbar-right:last-child {
margin-right: -15px;
}
}
.navbar-nav > li > .dropdown-menu {
margin-top: 0;
border-top-left-radius: 0;
border-top-right-radius: 0;
}
.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
border-bottom-right-radius: 0;
border-bottom-left-radius: 0;
}
.navbar-btn {
margin-top: 8px;
margin-bottom: 8px;
}
.navbar-btn.btn-sm {
margin-top: 10px;
margin-bottom: 10px;
}
.navbar-btn.btn-xs {
margin-top: 14px;
margin-bottom: 14px;
}
.navbar-text {
margin-top: 15px;
margin-bottom: 15px;
}
@media (min-width: 768px) {
.navbar-text {
float: left;
margin-right: 15px;
margin-left: 15px;
}
.navbar-text.navbar-right:last-child {
margin-right: 0;
}
}
.navbar-default {
background-color: #f8f8f8;
border-color: #e7e7e7;
}
.navbar-default .navbar-brand {
color: #777;
}
.navbar-default .navbar-brand:hover,
.navbar-default .navbar-brand:focus {
color: #5e5e5e;
background-color: transparent;
}
.navbar-default .navbar-text {
color: #777;
}
.navbar-default .navbar-nav > li > a {
color: #777;
}
.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
color: #333;
background-color: transparent;
}
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
color: #555;
background-color: #e7e7e7;
}
.navbar-default .navbar-nav > .disabled > a,
.navbar-default .navbar-nav > .disabled > a:hover,
.navbar-default .navbar-nav > .disabled > a:focus {
color: #ccc;
background-color: transparent;
}
.navbar-default .navbar-toggle {
border-color: #ddd;
}
.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus {
background-color: #ddd;
}
.navbar-default .navbar-toggle .icon-bar {
background-color: #888;
}
.navbar-default .navbar-collapse,
.navbar-default .navbar-form {
border-color: #e7e7e7;
}
.navbar-default .navbar-nav > .open > a,
.navbar-default .navbar-nav > .open > a:hover,
.navbar-default .navbar-nav > .open > a:focus {
color: #555;
background-color: #e7e7e7;
}
@media (max-width: 767px) {
.navbar-default .navbar-nav .open .dropdown-menu > li > a {
color: #777;
}
.navbar-default .navbar-nav .open .dropdown-menu > li > a:hover,
.navbar-default .navbar-nav .open .dropdown-menu > li > a:focus {
color: #333;
background-color: transparent;
}
.navbar-default .navbar-nav .open .dropdown-menu > .active > a,
.navbar-default .navbar-nav .open .dropdown-menu > .active > a:hover,
.navbar-default .navbar-nav .open .dropdown-menu > .active > a:focus {
color: #555;
background-color: #e7e7e7;
}
.navbar-default .navbar-nav .open .dropdown-menu > .disabled > a,
.navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:hover,
.navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:focus {
color: #ccc;
background-color: transparent;
}
}
.navbar-default .navbar-link {
color: #777;
}
.navbar-default .navbar-link:hover {
color: #333;
}
.navbar-inverse {
background-color: #222;
border-color: #080808;
}
.navbar-inverse .navbar-brand {
color: #999;
}
.navbar-inverse .navbar-brand:hover,
.navbar-inverse .navbar-brand:focus {
color: #fff;
background-color: transparent;
}
.navbar-inverse .navbar-text {
color: #999;
}
.navbar-inverse .navbar-nav > li > a {
color: #999;
}
.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > li > a:focus {
color: #fff;
background-color: transparent;
}
.navbar-inverse .navbar-nav > .active > a,
.navbar-inverse .navbar-nav > .active > a:hover,
.navbar-inverse .navbar-nav > .active > a:focus {
color: #fff;
background-color: #080808;
}
.navbar-inverse .navbar-nav > .disabled > a,
.navbar-inverse .navbar-nav > .disabled > a:hover,
.navbar-inverse .navbar-nav > .disabled > a:focus {
color: #444;
background-color: transparent;
}
.navbar-inverse .navbar-toggle {
border-color: #333;
}
.navbar-inverse .navbar-toggle:hover,
.navbar-inverse .navbar-toggle:focus {
background-color: #333;
}
.navbar-inverse .navbar-toggle .icon-bar {
background-color: #fff;
}
.navbar-inverse .navbar-collapse,
.navbar-inverse .navbar-form {
border-color: #101010;
}
.navbar-inverse .navbar-nav > .open > a,
.navbar-inverse .navbar-nav > .open > a:hover,
.navbar-inverse .navbar-nav > .open > a:focus {
color: #fff;
background-color: #080808;
}
@media (max-width: 767px) {
.navbar-inverse .navbar-nav .open .dropdown-menu > .dropdown-header {
border-color: #080808;
}
.navbar-inverse .navbar-nav .open .dropdown-menu .divider {
background-color: #080808;
}
.navbar-inverse .navbar-nav .open .dropdown-menu > li > a {
color: #999;
}
.navbar-inverse .navbar-nav .open .dropdown-menu > li > a:hover,
.navbar-inverse .navbar-nav .open .dropdown-menu > li > a:focus {
color: #fff;
background-color: transparent;
}
.navbar-inverse .navbar-nav .open .dropdown-menu > .active > a,
.navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:hover,
.navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:focus {
color: #fff;
background-color: #080808;
}
.navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a,
.navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:hover,
.navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:focus {
color: #444;
background-color: transparent;
}
}
.navbar-inverse .navbar-link {
color: #999;
}
.navbar-inverse .navbar-link:hover {
color: #fff;
}
