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私は最新バージョンのBootstrap 3で作業しています。私は自分のウェブサイトthat can be found hereのナビゲーションバーを作成しカスタマイズしました。ブラウザのウィンドウのサイズをモバイルデバイスのサイズに合わせると、折りたたみボタンが機能しないのはなぜですか？なぜボタンに機能がないのか考えてみませんか？ブートストラップ3機能なしのナビゲーションバートグルボタン
@import url('https://fonts.googleapis.com/css?family=Dosis');
@import url('https://fonts.googleapis.com/css?family=Raleway');
@import url('https://fonts.googleapis.com/css?family=Montserrat');
body {
font-family: Raleway;
}
footer {
background-color: #000000;
color: #ffffff;
text-align: center;
padding: 5px;
}
#main-menu.navbar-default .navbar-brand {
color: rgba(255, 255, 255, 1);
font-family: Montserrat;
font-size: 90%;
}
#main-menu.navbar-default {
font-size: 17px;
background-color: rgba(0, 153, 255, 1);
border-bottom-width: 0px;
font-family: Montserrat;
font-size: 90%;
}
#main-menu.navbar-default .navbar-nav>li>a {
color: rgba(255, 255, 255, 1);
background-color: rgba(0, 153, 255, 1);
}
#main-menu.navbar-default .navbar-nav>li>a:hover,
#main-menu.navbar-default .navbar-nav>li>a:focus {
color: rgba(255, 255, 255, 1);
background-color: rgba(0, 170, 255, 1);
}
#main-menu.navbar-default .navbar-nav>.active>a,
#main-menu.navbar-default .navbar-nav>.active>a:hover,
#main-menu.navbar-default .navbar-nav>.active>a:focus {
color: rgba(255, 255, 255, 1);
background-color: rgba(64, 179, 255, 1);
}
#main-menu.navbar-default .navbar-toggle {
border-color: #0066cc;
color: #0099ff;
}
#main-menu.navbar-default .navbar-toggle:hover,
#main-menu.navbar-default .navbar-toggle:focus {
background-color: #0066cc;
color: #0099ff;
}
#main-menu.navbar-default .navbar-toggle .icon-bar {
background-color: #0066cc;
color: #004080;
}
#main-menu.navbar-default .navbar-toggle:hover .icon-bar,
#main-menu.navbar-default .navbar-toggle:focus .icon-bar {
background-color: #0099ff;
color: #004080;
}<head>
<title>Home Page</title>
<link type="text/css" href="/StyleSheets/ModuleStyleSheets.css" rel="StyleSheet" />
<script type="text/javascript">
var jslang = 'EN';
</script>
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.4.0/css/font-awesome.min.css">
<link rel="stylesheet" href="http://www.w3schools.com/lib/w3.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<meta name="viewport" content="width=device-width, initial-scale=1">
<div id="main-menu" class="navbar navbar-default navbar-static-top" role="navigation">
<div class="container-fluid">
<div class="navbar-header">
<a href="index.html" class="pull-left">
<img src="http://www.coding-kids.net/logo.png" width="180px">
</a>
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-menubuilder"><span class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse navbar-menubuilder">
<ul class="nav navbar-nav navbar-right">
<li><a href="index.html"><i class="fa fa-home"></i> HOME</a>
</li>
<li><a href="tutorials"><i class="fa fa-code"></i> TUTORIALS</a>
</li>
<li><a href="about"><i class="fa fa-align-justify"></i> ABOUT</a>
</li>
<li><a href="faq"><i class="fa fa-question-circle"></i> FAQs</a>
</li>
<li><a href="contact"><i class="fa fa-comments-o"></i> CONTACT</a>
</li>
</ul>
</div>
</div>
</div>
<div>
</div>
<footer>
© Coding Kids 2016. All rights reserved.
</footer>
</body>