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求大神幫我看看哪錯(cuò)了 最下面一直顯示不全

<!DOCTYPE?html>
<html>
??<head>
????<meta?charset="utf-8">
????<meta?http-equiv="X-UA-Compatible"?content="IE=edge">
????<meta?name="viewport"?content="width=device-width,?initial-scale=1">
????<!--?上述3個(gè)meta標(biāo)簽*必須*放在最前面，任何其他內(nèi)容都*必須*跟隨其后！?-->
????<title>現(xiàn)代瀏覽器博物館</title>

????<!--?Bootstrap?-->
????<link?href="css/bootstrap.min.css"?rel="stylesheet">

????<!--[if?lt?IE?9]>
??????<script?src="js/html5shiv.js"></script>
??????<script?src="js/respond.min.js"></script>
????<![endif]-->
????<style>
????body{
??????padding-top:70px;
????}
????.carousel{
??????height:500px;
??????background-color:?#000;?
????}
????.carousel?.item{
??????height:500px;
??????background-color:?#000;?
????}
????.carousel?.img{
??????width:100%;
????}
????.carousel-caption?p{
??????margin-bottom:?20px;
??????font-size:?20px;
??????line-height:?1.8;
????}
????.summary?{
??????padding-right:?15px;
??????padding-left:?15px;
????}

????.summary?.col-md-4?{
??????margin-bottom:?20px;
??????text-align:?center;
????}
????</style>
??</head>
??<body>
??<div?class="navbar?navbar-default?navbar-fixed-top?navbar-inverse"?role="navigation">
??<div>
????<div>
??????<button?type="button"?data-toggle="collapse"?data-target=".navbar-collapse">
????????<span>切換導(dǎo)航</span>
????????<span></span>
????????<span></span>
????????<span></span>
??????</button>
??????<a?href="#">現(xiàn)代瀏覽器博物館</a>
????</div>

????<div?class="navbar-collapse?collapse">
????????????<ul?class="nav?navbar-nav">
????????????????<li><a?href="#ad-carousel">綜述</a></li>
????????????????<li><a?href="#summary-container">簡(jiǎn)述</a></li>
????????????????<li>
????????????????????<a?href="#"?data-toggle="dropdown">特點(diǎn)?<span></span></a>
????????????????????<ul?role="menu">
????????????????????????<li><a?href="#feature-tab"?data-tab="tab-chrome">Chrome</a></li>
????????????????????????<li><a?href="#feature-tab"?data-tab="tab-firefox">Firefox</a></li>
????????????????????????<li><a?href="#feature-tab"?data-tab="tab-safari">Safari</a></li>
????????????????????????<li><a?href="#feature-tab"?data-tab="tab-opera">Opera</a></li>
????????????????????????<li></li>
????????????????????????<li><a?href="#feature-tab"?data-tab="tab-ie">IE</a></li>
????????????????????</ul>
????????????????</li>
????????????????<li><a?href="#"?data-toggle="modal"?data-target="#about-modal">關(guān)于</a></li>
????????????</ul>
????</div>
??</div>

??<div?id="carousel-example-generic"?class="carousel?slide"?data-ride="carousel">
??<!--?Indicators?-->
??<ol>
????<li?data-target="#carousel-example-generic"?data-slide-to="0"></li>
????<li?data-target="#carousel-example-generic"?data-slide-to="1"></li>
????<li?data-target="#carousel-example-generic"?data-slide-to="2"></li>
????<li?data-target="#carousel-example-generic"?data-slide-to="3"></li>
????<li?data-target="#carousel-example-generic"?data-slide-to="4"></li>
??</ol>

??<!--?Wrapper?for?slides?-->
??<div?role="listbox">
????<div?class="item?active">
??????<img?src="images/chrome-big.jpg"?alt="1?solid">
??????<div>
??????<div>
????????<h1>Chrome</h1>
????????<p>Google?Chrome，又稱(chēng)Google瀏覽器，是一個(gè)由Google（谷歌）公司開(kāi)發(fā)的網(wǎng)頁(yè)瀏覽器。</p>
????????<p><a?class="btn?btn-lg?btn-primary"?>點(diǎn)我下載</a></p>
??????</div>
??????</div>
????</div>
????<div>
??????<img?src="images/firefox-big.jpg"?alt="2?solid">
??????<div>
??????<div>
????????<h1>Firefox</h1>
????????<p>Mozilla?Firefox，中文名通常稱(chēng)為“火狐”或“火狐瀏覽器”，是一個(gè)開(kāi)源網(wǎng)頁(yè)瀏覽器。</p>
????????<p><a?class="btn?btn-lg?btn-primary"?>點(diǎn)我下載</a></p>
??????</div>
??????</div>
????</div>
????<div>
??????<img?src="images/safari-big.jpg"?alt="3?solid">
??????<div>
??????<div>
????????<h1>Safari</h1>
????????<p>Safari，是蘋(píng)果計(jì)算機(jī)的最新操作系統(tǒng)Mac?OS?X中的瀏覽器。</p>
????????<p><a?class="btn?btn-lg?btn-primary"?>點(diǎn)我下載</a></p>
??????</div>
??????</div>
????</div>
????<div>
??????<img?src="images/opera-big.jpg"?alt="4?solid">
??????<div>
??????<div>
????????<h1>Opera</h1>
????????<p>Opera瀏覽器，是一款挪威Opera?Software?ASA公司制作的支持多頁(yè)面標(biāo)簽式瀏覽的網(wǎng)絡(luò)瀏覽器。</p>
????????<p><a?class="btn?btn-lg?btn-primary"?>點(diǎn)我下載</a></p>
??????</div>
??????</div>
????</div>
????<div>
??????<img?src="images/ie-big.jpg"?alt="5?solid">
??????<div>
??????<div>
????????<h1>IE</h1>
????????<p>Internet?Explorer，簡(jiǎn)稱(chēng)?IE，是微軟公司推出的一款網(wǎng)頁(yè)瀏覽器。</p>
????????<p><a?class="btn?btn-lg?btn-primary"?>點(diǎn)我下載</a></p>
??????</div>
??????</div>
????</div>???
??</div>

??<!--?Controls?-->
??<a?class="left?carousel-control"?href="#carousel-example-generic"?role="button"?data-slide="prev">
????<span?class="glyphicon?glyphicon-chevron-left"?aria-hidden="true"></span>
????<span>Previous</span>
??</a>
??<a?class="right?carousel-control"?href="#carousel-example-generic"?role="button"?data-slide="next">
????<span?class="glyphicon?glyphicon-chevron-right"?aria-hidden="true"></span>
????<span>Next</span>
??</a>
</div>
?
??<div>
????<div?id="summary-container">
??????<div>
????????<img?src="images/chrome-logo-small.jpg"?alt="chrome">
????????<h2>Chrome</h2>
??????????<p>Google?Chrome，又稱(chēng)Google瀏覽器，是一個(gè)由Google（谷歌）公司開(kāi)發(fā)的網(wǎng)頁(yè)瀏覽器。</p>
??????????<p><a?class="btn?btn-default"?href="#"?role="button">點(diǎn)我下載</a></p>
??????</div>
??????<div>
????????<img?src="images/firefox-logo-small.jpg"?alt="firefox">
????????<h2>Firefox</h2>
??????????<p>Mozilla?Firefox，中文名通常稱(chēng)為“火狐”或“火狐瀏覽器”，是一個(gè)開(kāi)源網(wǎng)頁(yè)瀏覽器。</p>
??????????<p><a?class="btn?btn-default"?href="#"?role="button">點(diǎn)我下載</a></p>
??????</div>
??????<div>
????????<img?src="images/safari-logo-small.jpg"?alt="safari">
????????<h2>Safari</h2>
??????????<p>Safari，是蘋(píng)果計(jì)算機(jī)的最新操作系統(tǒng)Mac?OS?X中的瀏覽器。</p>
??????????<p><a?class="btn?btn-default"?href="#"?role="button">點(diǎn)我下載</a></p>
??????</div>
????</div>
??</div>

????<script?src="js/jquery-1.11.1.min.js"></script>
????<script?src="js/bootstrap.min.js"></script>
??</body>
</html>

正在回答

1 回答

首先 導(dǎo)航欄少東西 ?

<nav class="navbar navbar-default navbar-fixed-top navbar-inverse" id="menu-nav">

?<div class="container">

<!-- Brand and toggle get grouped for better mobile display -->

<div class="navbar-header">

?<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">

<span class="sr-only">Toggle navigation</span>

<span class="icon-bar"></span>

<span class="icon-bar"></span>

<span class="icon-bar"></span>

?</button>

?<a class="navbar-brand" href="#">現(xiàn)代瀏覽器博物館</a>

</div>


<!-- Collect the nav links, forms, and other content for toggling -->

<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">

?<ul class="nav navbar-nav">

<li class="active"><a href="#">綜述</a></li>

<li><a href="#">簡(jiǎn)述</a></li>

<li class="dropdown">

?<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">特點(diǎn) <span class="caret"></span></a>

?<ul class="dropdown-menu">

<li><a href="#tab-chrome" data-tab="tab-chrome">Chrome</a></li>

<li><a href="#tab-firefox" data-tab="tab-firefox">Firefox</a></li>

<li><a href="#tab-safari" data-tab="tab-safari">Safari</a></li>

<li><a href="#tab-opera" data-tab="tab-opera">Opera</a></li>

<li><a href="#tab-ie" data-tab="tab-ie">IE</a></li>

?</ul>

</li>

<li><a href="#" data-toggle="modal" data-target="#about-modal">關(guān)于</a></li>

?</ul>

</div><!-- /.navbar-collapse -->

?</div><!-- /.container-fluid -->

</nav>

你對(duì)比下 ?。改完后再看看

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求大神幫我看看哪錯(cuò)了 最下面一直顯示不全

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