http://www.levybusinesslaw.com/index.php
导航下拉列表仅在页面向下滚动时才有效。我已经尝试了一切让它可见，但似乎没有任何效果。任何关于如何解决这个问题的建议都非常感谢。谢谢。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="keywords" content="" />
<meta name="description" content="">
<meta name="author" content="">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<!-- Title -->
<!-- Favicon -->
<link rel="shortcut icon" type="image/x-icon" href="favicon.ico">
<!-- Google Fonts -->
<link href='http://fonts.googleapis.com/css?family=Montserrat:400,700%7COpen+Sans:400italic,700italic,400,700' rel='stylesheet' type='text/css'>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/font-awesome.min.css" rel="stylesheet">
<link href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.0.1/css/font-awesome.css" rel="stylesheet">
<!-- Template -->
<link href="style.css" rel="stylesheet">
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js">
</script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js">
</script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<![endif]-->
</head >
<!-- ==================================================================================================================================
HEADER
======================================================================================================================================= -->
<section class="home-header">
<!-- header -->
<div class="header">
<div class="container">
<div class="row">
<div class="header-top">
<!-- logo -->
<div class="col-md-4 col-sm-4 col-xs-5">
<div class="logo">
<a href="index.html">
<img src="images/logo.png" class="img-responsive" title="" alt="" />
</a>
</div>
</div>
<!-- .logo -->
<!-- quick contact -->
<div class="col-md-8 col-sm-8 col-xs-7">
<div class="quick-contact text-right">
<p class="phone">410.998.2001</p>
<p>Serving The State of Maryland</p>
</div>
</div>
<!-- .quick contact -->
</div>
</div>
</div>
</div>
<!-- .header -->
<!-- intro content -->
<div class="container">
<div class="row">
<!-- content -->
<div class="col-md-12">
<div class="intro-content text-center">
<h2 class="white-text">
<strong>
<span class="rotate">NEIL LEVY</span>
<br />BUSINESS LAWYER<br>IN BALTIMORE, MD</strong>
</h2>
<a href="mailto:nlevy@lmcplaw.com?Subject=Inquiry" class="btn btn-default button-white">Contact Me
</a>
</div>
</div>
<!-- .content -->
</div>
</div>
<!-- .intro content -->
<!-- Popout Slider Menu -->
<div class="container-popup">
<div class="popup">
<div class="popup-overlay">
<a href="#" class="item-button play"><i class="play"></i></a>
<a href="#" class="item-button share share-btn"><i class="play"></i></a>
</div>
<div class="popup-content">
<div class="popup-top-content">
<div class="popup-top-content-inner">
<div class="popup-product">
<div class="popup-top-title">
<h6>How can I help you?</h6>
</div>
</div>
</div>
</div>
<div class="popup-add-content">
<div class="popup-add-content-inner">
<div class="section">
<h6>Services</h6>
<ul>
<li><a href="http://levybusinesslaw.com/#practice" >Business</a></li>
<li><a href="http://levybusinesslaw.com/#practice" >Estate Planning</a></li>
<li><a href="http://levybusinesslaw.com/#practice/" >Real Estate</a></li>
</ul>
</div>
<div class="section">
<a href="mailto:nlevy@lmcplaw.com?Subject=Inquiry" class="btn buy expand">Contact Me</a>
</div>
</div>
</div>
</div>
</div>
<div class="popup-menu popout-menu">
<ul>
<li><a href="#" class="popout-menu-item"><i class="fa fa-facebook-square" style="font-size:3em"></i></a></li>
<li><a href="#" class="popout-menu-item"><i class="fa fa-linkedin-square" style="font-size:3em"></i></a></li>
</ul>
</div>
</div>
<script>
$("window").load(function() {
$("#body").removeClass("preload");
});
$(".share-btn").mouseenter(function() {
setTimeout(function() {
$(".item-menu").addClass("visible")
}, 500);
});
$(".share-btn").mouseleave(function() {
setTimeout(function() {
$(".item-menu").removeClass("visible")
}, 500);
});
$(".item-menu").hover(function() {
$(".item-menu").addClass("visible")
});
$(".item-menu").mouseleave(function() {
setTimeout(function() {
$(".item-menu").removeClass("visible")
}, 500);
});
$(".container-item").hover(function() {
setTimeout(function() {
$(".container-item").css("z-index","1000")
}, 500);
});
</script>
<!-- Popout Slider Menu -->
<!-- navigation scrolled -->
<div class="main-nav scrolled">
<nav class="navbar navbar-default" role="navigation">
<div class="container_toggle container">
<div class="navbar-header">
<button class="navbar-toggle button-white menu" data-toggle="collapse" data-target=".navbar-collapse">
<span class="sr-only">Toggle navigation</span>
<i class="fa fa-bars"></i>
</button>
<!-- smaller logo -->
<a class="navbar-brand" href="#">
<img src="images/logo.png" class="img-responsive" title="" alt="" />
</a>
<!-- .smaller logo -->
</div>
<div class="collapse navbar-collapse" >
<!-- main nav -->
<ul class="nav navbar-nav">
<li><a href="/index.php">HOME</a></li>
<li>
<a href="/index.php#about">ABOUT</a>
</li>
<li>
<a href="/index.php#community">COMMUNITY</a>
</li>
<li class="dropdown">
<a href="http://levybusinesslaw.com/index.php#practice" class="dropdown-toggle" data-toggle="dropdown">PRACTICE AREAS <span class="caret"></span></a>
<ul class="dropdown-menu" role="menu">
<li><a href="#">Business</a></li>
<li><a href="#">Estate Planning</a></li>
<li><a href="#">Real Estate</a></li>
<li class="divider"></li>
<li><a href="#">Other</a></li>
</ul>
</li>
<li>
<a href="/index.php#contact"> CONTACT </a>
</li>
<li>
<a href="http://www.levybusinesslaw.com/blog/"> BLOG </a>
</li>
</ul>
<!-- .main nav -->
<!-- quick contact -->
<ul class="nav navbar-nav navbar-right hidden-xs">
<li>
<div class="quick-contact">
<p class="phone">410.998.2001</p>
</div>
</li>
</ul>
<!-- quick contact -->
</div>
</div>
</nav>
</div>
<!-- .navigation scrolled -->
</section>
答案 0 :(得分：1)
从overflow:hidden;开始.home-header。
由于dropdown-menu有position:absolute;，因此不会调整.home-header的大小，因此不会显示。