Bootstrap 是最受欢迎的 HTML、CSS 和 JS 框架，用于开发响应式布局、移动设备优先的 WEB 项目。
使用感觉简约大气便捷，扁平化设计。好多好多CSS、JS....总有你心仪的那一款！喜欢就上官网找，那里更丰富呦！
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 101 Templatetitle>
<link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.4/css/bootstrap.min.css">
head>
<body>
<h3>导航栏h3>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Homea>li>
<li><a href="#about">Abouta>li>
<li><a href="#contact">Contacta>li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret">span>a>
<ul class="dropdown-menu" role="menu">
<li><a href="#">Actiona>li>
<li><a href="#">Another actiona>li>
<li class="divider">li>
<li class="dropdown-header">Nav headerli>
<li><a href="#">Separated linka>li>
ul>
li>
ul>
div>
div>
nav>
<h1>你好，bootstrap！h1>
<h3>图标h3>
<span class="glyphicon glyphicon-home">span><br>
<span class="glyphicon glyphicon-signal">span>
<span class="glyphicon glyphicon-cog">span>
<span class="glyphicon glyphicon-apple">span>
<span class="glyphicon glyphicon-trash">span>
<span class="glyphicon glyphicon-play-circle">span>
<span class="glyphicon glyphicon-headphones">span>
<span class="glyphicon glyphicon-send">span>
<h3>按钮h3>
<button type="button" class="btn btn-default">按钮button>
<button type="button" class="btn btn-primary">primarybutton>
<button type="button" class="btn btn-success">successbutton>
<button type="button" class="btn btn-info">infobutton>
<button type="button" class="btn btn-warning">warningbutton>
<button type="button" class="btn btn-danger">dangerbutton>
<h3>按钮尺寸h3>
<button type="button" class="btn btn-default">按钮button>
<button type="button" class="btn btn-primary btn-lg">primarybutton>
<button type="button" class="btn btn-success btn-sm">successbutton>
<button type="button" class="btn btn-info btn-xs">infobutton>
<h3>把图标显示在按钮里h3>
<button type="button" class="btn btn-default"><span class="glyphicon glyphicon-home">span> 按钮button>
<h3>下拉菜单h3>
<div class="dropdown">
<button class="btn btn-primary dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
Dropdown
<span class="caret">span>
button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Actiona>li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another actiona>li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else herea>li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated linka>li>
ul>
div>
<h3>输入框h3>
<div class="input-group">
<span class="glyphicon glyphicon-user">span>
<input type="text" placeholder="username">
div>
<div class="input-group">
<span class="glyphicon glyphicon-lock">span>
<input type="password" placeholder="password">
div>
<h3>表单h3>
<form>
<div class="form-group">
<span class="glyphicon glyphicon-user">span>
<input type="email" id="exampleInputEmail1" placeholder="Enter email">
div>
<div class="form-group">
<span class="glyphicon glyphicon-lock">span>
<input type="password" id="exampleInputPassword1" placeholder="Password">
div>
<div class="form-group">
<label for="exampleInputFile">File inputlabel>
<input type="file" id="exampleInputFile">
<p class="help-block">Example block-level help text here.p>
div>
<div class="checkbox">
<label>
<input type="checkbox"> Check me out
label>
div>
<button type="submit" class="btn btn-default">Submitbutton>
form>
<h3>警告框h3>
<div class="alert alert-warning alert-dismissible" role="alert">
<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×span>button>
<strong>Warning!strong> Better check yourself, you're not looking too good.
div>
<div class="alert alert-success" role="alert">
<a href="#" class="alert-link">success!a>
div>
<div class="alert alert-info" role="alert">
<a href="#" class="alert-link">info!a>
div>
<div class="alert alert-warning" role="alert">
<a href="#" class="alert-link">warning!a>
div>
<div class="alert alert-danger" role="alert">
<a href="#" class="alert-link">danger!a>
div>
<h3>进度条h3>
<div class="progress">
<div class="progress-bar" role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width: 60%;">
70%
div>
div>
<table class="table table-striped">
<th>
<td>NAMEtd>
<td>AGEtd>
<td>SEXtd>
<td>aaatd>
th>
<tr>
<td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>
tr>
<tr>
<td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>
tr>
<tr>
<td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>
tr>
<tr>
<td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>
tr>
<tr class="active"><td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>tr>
<tr class="success"><td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>tr>
<tr class="warning"><td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>tr>
<tr class="danger"><td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>tr>
<tr class="info"><td>XIONGtd>
<td>23td>
<td>男td>
<td>183td>tr>
table>
<p>
<button type="button" class="btn btn-primary btn-lg">（大按钮）Large buttonbutton>
<button type="button" class="btn btn-default btn-lg">（大按钮）Large buttonbutton>
p>
<p>
<button type="button" class="btn btn-primary">（默认尺寸）Default buttonbutton>
<button type="button" class="btn btn-default">（默认尺寸）Default buttonbutton>
p>
<p>
<button type="button" class="btn btn-primary btn-sm">（小按钮）Small buttonbutton>
<button type="button" class="btn btn-default btn-sm">（小按钮）Small buttonbutton>
p>
<p>
<button type="button" class="btn btn-primary btn-xs">（超小尺寸）Extra small buttonbutton>
<button type="button" class="btn btn-default btn-xs">（超小尺寸）Extra small buttonbutton>
p>
<button type="button" class="btn btn-primary btn-lg active">Primary buttonbutton>
<button type="button" class="btn btn-default btn-lg active">Buttonbutton>
<button type="button" class="btn btn-lg btn-primary" disabled="disabled">Primary buttonbutton>
<button type="button" class="btn btn-default btn-lg" disabled="disabled">Buttonbutton>
<img src="..." alt="..." class="img-rounded">方
<img src="..." alt="..." class="img-circle">圆
<img src="..." alt="..." class="img-thumbnail">边框
<p class="bg-primary">.dddddddd..p>
<p class="bg-success">ffffffff...p>
<p class="bg-info">...eeeeeeeeeeep>
<p class="bg-warning">..wwwwwwwwww.p>
<p class="bg-danger">...ggggggggggp>
<button type="button" class="btn btn-default" aria-label="Left Align">
<span class="glyphicon glyphicon-align-left" aria-hidden="true">span>
button>
<button type="button" class="btn btn-default btn-lg">
<span class="glyphicon glyphicon-star" aria-hidden="true">span> Star
button>
<div class="dropup">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropup
<span class="caret">span>
button>
<ul class="dropdown-menu" aria-labelledby="dropdownMenu4">
<li><a href="#">Regular linka>li>
<li class="disabled"><a href="#">Disabled linka>li>
<li><a href="#">Another linka>li>
ul>
div>
<script src="http://cdn.bootcss.com/jquery/1.11.2/jquery.min.js">script>
<script src="http://cdn.bootcss.com/bootstrap/3.3.4/js/bootstrap.min.js">script>
body>
html>