首先，抱歉为很多代码并重新发布问题，我不知道应该包含哪部分代码，而且我无法根据以前的帖子解决这个问题:( 嘿，我试图让网站上的图像慢慢消失，导航栏在向下滚动时保持在顶部，任何想法？试图查看stackoverflow上的其他帖子，但根本无法使其工作：/ 我的网站：https://developerbay.000webhostapp.com/
Html：
<!DOCTYPE HTML>
<head>
<title>Fancuwebside</title>
<link rel="stylesheet" type="text/css" href="css/stylesheet.css"></link>
<link rel="stylesheet" type="text/css" href="css/bootstrap.css"></link>
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css"></link>
<link rel="stylesheet" type="text/css" href="css/bootstrap-theme.css"></link>
<link rel="stylesheet" type="text/css" href="css/bootstrap-theme.min.css"></link>
<div><a>Hello</a></div>
<nav class="navbar navbar-inverse menu">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="#">WebSiteName</a>
</div>
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Page 1</a></li>
<li><a href="#">Page 2</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
<li><a href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
</ul>
</div>
</nav>
</head>
<body>
<div class="progress" style="width: 700px; margin: auto;">
<div class="progress-bar progress-bar-success progress-bar-striped active" role="progressbar" aria-valuenow="30" aria-valuemin="0" aria-valuemax="100" style="width:30%">
30% complete
</div>
<div class="progress-bar progress-bar-danger" role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:70%">
70% remaining
</div>
</div>
<div class="content">
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short ribs duis tempor, deserunt dolore pastrami pancetta do aliquip jerky sed qui spare ribs tri-tip. Qui jerky culpa eu drumstick chicken sausage brisket.</p>
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short ribs duis tempor, deserunt dolore pastrami pancetta do aliquip jerky sed qui spare ribs tri-tip. Qui jerky culpa eu drumstick chicken sausage brisket.</p>
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short ribs duis tempor, deserunt dolore pastrami pancetta do aliquip jerky sed qui spare ribs tri-tip. Qui jerky culpa eu drumstick chicken sausage brisket.</p>
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short ribs duis tempor, deserunt dolore pastrami pancetta do aliquip jerky sed qui spare ribs tri-tip. Qui jerky culpa eu drumstick chicken sausage brisket.</p>
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short ribs duis tempor, deserunt dolore pastrami pancetta do aliquip jerky sed qui spare ribs tri-tip. Qui jerky culpa eu drumstick chicken sausage brisket.</p>
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short ribs duis tempor, deserunt dolore pastrami pancetta do aliquip jerky sed qui spare ribs tri-tip. Qui jerky culpa eu drumstick chicken sausage brisket.</p>
<p>Bacon ipsum dolor sit amet culpa adipisicing andouille ut, salami bresaola spare ribs shank fatback cupidatat est. Occaecat beef flank fatback beef ribs. Sed tempor officia, proident ullamco elit short loin ham hock short ribs laborum pariatur. Nisi frankfurter sint, boudin aute andouille chicken corned beef. Shank pariatur pork loin deserunt et nostrud, sausage ut.</p>
<p>Qui sed elit leberkas enim prosciutto aliqua shank occaecat. Labore enim proident short loin strip steak ut. Bresaola ea sed pariatur culpa sint ham hock tri-tip shoulder. Sed jowl sunt chuck mollit jerky.</p>
<p>Ball tip ham hock pariatur dolore, minim pig qui non filet mignon. Duis dolore do pork belly aute. In consequat mollit consectetur dolore. Short
<script type="text/javascript" src="js/script.js"></script>
</body>
CSS：
body {
overflow-y: scroll;
overflow-x: hidden;
}
::-webkit-scrollbar {
width: 12px;
}
/* Track */
::-webkit-scrollbar-track {
-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
-webkit-border-radius: 10px;
border-radius: 10px;
}
/* Handle */
::-webkit-scrollbar-thumb {
-webkit-border-radius: 10px;
border-radius: 10px;
background-image: url(http://www.lovethisgif.com/uploaded_images/121722-File-color-Square-Cm.gif-Wikimedia-Commons.gif);
-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5);
}
::-webkit-scrollbar-thumb:window-inactive {
background: rgba(255,0,0,0.4);
}
.sticky {
position:fixed;
top:0;
}
.content {
margin-top:10px;
}
.content p {
margin-bottom:20px;
}
.menu {
}
JS：
$(document).ready(function () {
var menu = $('.menu');
var origOffsetY = menu.offset().top;
function scroll() {
if ($(window).scrollTop() >= origOffsetY) {
$('.menu').addClass('sticky');
$('.content').addClass('menu-padding');
} else {
$('.menu').removeClass('sticky');
$('.content').removeClass('menu-padding');
}
}
document.onscroll = scroll;
});
答案 0 :(得分：0)
如果这是您正在寻找的东西，我知道这对我有用： CSS
position: fixed;
bottom: 0;
left: 0;
right: 0;
z-index: 150;
margin-bottom: 300px;
margin-left: 40px;