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下拉菜单隐藏在图像后面

drop-down-menu twitter-bootstrap css html
  •  1
  • Mohsin  · 技术社区  · 7 年前

    当向下滚动导航栏时,我的下拉菜单隐藏在图像后面(猫头鹰旋转木马)。然后悬停正常工作。

    仅在图像所在的上方区域显示问题。

    我试图给出z索引。通过为导航栏提供比图像滑块更高的值。但那不管用。

    我也尝试过溢出值。

    我给出了溢出:可见;到导航栏,但仍然不可见。

    错误下拉菜单的屏幕截图 

    jquery(document).ready(函数($){
$(“owl demo”).owlcarousel({
导航:正确,
滑动速度:300,
分页速度:500,
项目:1,
单个项:真,
自动播放:4000
(});
(});

$('body').on('mouseenter mouseleave','.dropdown',函数(e){
var _d=$(e.target).closest('.DropDown');
_ d.addClass(“显示”);
设置超时(函数()。{
_“是(”:hover“)?”addClass“:'removeClass']('show');
$('[data toggle=“DropDown”]',_d.attr('aria-expanded',_d.is(':hover'));
},300);
});
    */
.粘性。粘性{
位置:固定;
左:0;
权利要求:0;
顶部:0;
Z指数:999;
宽度:100%;
}

标题{
背景:透明!重要的;

}

/*体{*/
/*最小高度:1200像素;*/
/*}*/
资产净值{
背景色:000000;
最小高度:85px;
颜色:白色;
不透明度:0.7;
}

.DropDown:悬停>。下拉菜单{
显示:块;
溢出:可见;
Z指数:1000;
职位:继承;
上边距:10%;
}

Nav.UL Li A{
颜色:白色!重要的;
}

顶部DIV{
字体大小:14px;
背景色:黑色;
颜色:白色;
填充顶部:10px;
}

.Top Div P.Fa地图标记{
左边距:4%;
}

顶部div p i{
右边距:0.5%;
左边距:3%;
颜色:αC6B52D;
}

/*滑块CSS*/

猫头鹰演示
Z指数:30;
}

OWL包装器{
位置:相对;
}

OWL控件{
位置:绝对;
底部:10px;
左:0;
权利要求:0;
左边距:自动;
右边距:自动;
}

.owl主题.owl控件.owl页范围{
背景:fff!重要的;
}

猫头鹰IMG {
宽度:100%;
}

.owl文本覆盖{
位置:绝对;
文本对齐:居中;
宽度:60%;
顶部:50%;
转换:translatey(-50%);
左:0;
权利要求:0;
左边距:自动;
右边距:自动;
颜色:γFFF;
背景色:rgba(0,0,0,0.4);
背景:rgba(0,0,0,0.4);
垫底:20px;
字体系列:“开放式sans”,无衬线;
边框半径:15px 50px 30px 5px;
}<代码> < /PRE>

    文档类型HTML>
<html lang=“en”>
&头;
<meta charset=“utf-8”>
<meta name=“视区”
content=“width=device width,user scalable=no,initial scale=1.0,maximum scale=1.0,minimum scale=1.0”>
<meta http equiv=“x-ua-compatible”content=“ie=edge”>
<title>想象</title>
<link href=“https://fonts.googleapis.com/css”链接?family=Ubuntu:300400800“rel=”stylesheet“>
<link rel=“stylesheet”href=“main.css”>
<link rel=“stylesheet”href=“https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css”>
<script src=“https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js”></script>
<script src=“https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js”></script>
<script src=“https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js”></script>
<link rel=“stylesheet”href=“https://cdnjs.cloudflare.com/ajax/libs/font-awome/4.7.0/css/font-awome.css”>
<link rel=“stylesheet”href=“https://cdnjs.cloudflare.com/ajax/libs/owl carousel/1.3.3/owl.carousel.min.css”>
<link rel=“stylesheet”href=“https://cdnjs.cloudflare.com/ajax/libs/owl carousel/1.3.3/owl.theme.min.css”>

<script src=“https://cdnjs.cloudflare.com/ajax/libs/owl carousel/1.3.3/owl.carousel.min.js”></script>

和/头& GT;
和身体;
&!--顶部标题-->
和标题;
&!--最热门信息-->
&!--<DIV style=“height:40px;background:red”></DIV>-->

&!--结束最重要的信息-->

<nav class=“navbar navbar expand lg navbar light top navbar”data toggle=“sticky onscroll”>
<div class=“container”>
<a class=“navbar brand”href=“”>
<img src=“assets/images/logo white.png”height=“70”alt=“>
& lt;/a & gt;
<button class=“navBar toggler”type=“button”data toggle=“collapse”data target=“navBarSupportedContent”aria controls=“navBarSupportedContent”aria expanded=“false”aria label=“toggle navigation”>
<span class=“navbar toggler icon”></span>
&按钮/按钮;

<div class=“collapse navbar collapse justify content end”id=“navbarSupportedContent”>
<ul class=“navbar nav pull right”>
<li class=“nav item”>
<A class=“nav link active”href=“”>主页</A>
&L./L>
<li class=“nav item”>
<a class=“nav link”href=“about us.html”>我们是谁</a>
&L./L>
<li class=“nav item下拉列表”>
<A class=“nav link Dropdown Toggle”href=“”id=“navBarDropDownmenulink”data toggle=“Dropdown”aria haspoop=“true”aria expanded=“false”>
下拉链路
& lt;/a & gt;
<div class=“DropDown menu”aria labelledby=“navbarDropDownmenulink”>
<A class=“DropDown item”href=“”>操作</A>
<A class=“DropDown item”href=“”>其他操作</A>
<A class=“DropDown item”href=“”>此处还有其他内容</A>
&L/DIV & GT;
&L./L>
<li class=“nav item”>
<A class=“nav link”href=“”>支持和服务</A>
&L./L>
<li class=“nav item”>
<A class=“nav link”href=“”>联系我们</A>
&L./L>

&L/UL & GT;

&L/DIV & GT;
&L/DIV & GT;
&;

L&/Health≫


<div class=“owl carousel owl theme”id=“owl demo”>
和DIV & GT;
<div class=“owl text overlay hidden xs”>
<h2 class=“owl title”>箭头</h2>
<p class=“owl caption hidden sm”>lorem ipsum dolor sit amet,Concretetur adipiscing elit。普雷森特·伊库利斯·普鲁斯·维尔·埃尼姆·苏西皮特,维塔·沃尔帕特·安特·塞勒雷斯。Pellentesque Blandit Malesuada Dui,Sed Aliquet Risus Molesite Non.</p>
</Div><img class=“owl img”src=“https://res.cloudinary.com/jbennett45/image/upload/v1474628443/arrow_dqnmmf.jpg”></Div>
和DIV & GT;
<div class=“owl text overlay hidden xs”>
<h2 class=“owl title”>闪光</h2>
<p class=“owl caption hidden sm”>lorem ipsum dolor sit amet,Concettetur Adipiscing Elit。普雷森特·伊库利斯·普鲁斯·维尔·伊尼姆·苏西皮特,维塔·沃尔帕特·安特·塞勒雷斯。Pellentesque Blandit Malesuada Dui,Sed Aliquet Risus Molesite Non.</p>
</Div><img class=“owl img”src=“https://res.cloudinary.com/jbennett45/image/upload/v1474628444/flash_pxythx.jpg”></Div>
</DIV>.
    
   
    
   
    < / div图像在哪里。
    
    
    
    
    
    
     我试图给出z索引。通过为导航栏提供比图像滑块更高的值。但那不管用。
    
    
    
    
     我也尝试过溢出值。
    
    
    
    
     我给出了溢出:可见;导航栏,但它仍然不可见。
    
    
    
    
     错误下拉菜单的屏幕截图
    
    
    
    
     
      Dropdown in not showing completely
     
    
    
    
    
    
    
    
    
    
    
    
    
     
    
      
    jQuery(document).ready(function($) {
    $("#owl-demo").owlCarousel({
        navigation : true,
        slideSpeed : 300,
        paginationSpeed : 500,
        items: 1,
        singleItem: true,
        autoPlay : 4000
    });
});

$('body').on('mouseenter mouseleave','.dropdown',function(e){
    var _d=$(e.target).closest('.dropdown');
    _d.addClass('show');
    setTimeout(function(){
        _d[_d.is(':hover')?'addClass':'removeClass']('show');
        $('[data-toggle="dropdown"]', _d).attr('aria-expanded',_d.is(':hover'));
    },300);
});
    
      
    /*sticky header position*/
.sticky.is-sticky {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 999;
    width: 100%;
}

header {
    background: transparent !important;

}

/*body {*/
    /*min-height: 1200px;*/
/*}*/
nav {
    background-color: #000000;
    min-height: 85px;
    color: white;
    opacity: 0.7;
}

.dropdown:hover>.dropdown-menu {
    display: block;
    overflow: visible;
    z-index: 1000;
    position: inherit;
    margin-top: 10%;
}

nav ul li a  {
    color:  white !important;
}

.top-div {
    font-size: 14px;
    background-color: black;
    color: white;
    padding-top: 10px;
}

.top-div p .fa-map-marker{
    margin-left: 4%;
}

.top-div p i {
    margin-right: 0.5%;
    margin-left: 3%;
    color: #c6b52d;
}

/* Ow; Slider CSS*/

#owl-demo {
    z-index: 30;
}

.owl-wrapper {
    positon: relative;
}

.owl-controls {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
}

.owl-theme .owl-controls .owl-page span {
    background: #fff !important;
}

.owl-img {
    width: 100%;
}

.owl-text-overlay {
    position: absolute;
    text-align: center;
    width: 60%;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.4);
    background: rgba(0, 0, 0, 0.4);
    padding-bottom: 20px;
    font-family: "Open Sans", sans-serif;
    border-radius: 15px 50px 30px 5px;
}
    
      
    <!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Imagine</title>
    <link href="https://fonts.googleapis.com/css?family=Ubuntu:300,400,800" rel="stylesheet">
    <link rel="stylesheet" href="main.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/owl-carousel/1.3.3/owl.carousel.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/owl-carousel/1.3.3/owl.theme.min.css">

    <script src="https://cdnjs.cloudflare.com/ajax/libs/owl-carousel/1.3.3/owl.carousel.min.js"></script>
   
</head>
<body>
<!--top header-->
<header>
    <!--most top info -->
    <!--<div style="height: 40px; background: red"></div>-->
    
    <!-- End most top info -->

    <nav class="navbar  navbar-expand-lg navbar-light top-navbar" data-toggle="sticky-onscroll">
        <div class="container">
            <a class="navbar-brand" href="#">
                <img src="assets/images/Logo-white.png" height="70" alt="">
            </a>
            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
            </button>

            <div class="collapse navbar-collapse justify-content-end" id="navbarSupportedContent">
                <ul class="navbar-nav pull-right">
                    <li class="nav-item">
                        <a class="nav-link active" href="#">Home</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="about-us.html">Who We Are</a>
                    </li>
                    <li class="nav-item dropdown">
                        <a class="nav-link dropdown-toggle" href="" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                            Dropdown link
                        </a>
                        <div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
                            <a class="dropdown-item" href="#">Action</a>
                            <a class="dropdown-item" href="#">Another action</a>
                            <a class="dropdown-item" href="#">Something else here</a>
                        </div>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Support & Service</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Contact Us</a>
                    </li>

                </ul>

            </div>
        </div>
    </nav>

</header>


<div class="owl-carousel owl-theme" id="owl-demo">
    <div>
        <div class="owl-text-overlay hidden-xs">
            <h2 class="owl-title">Arrow</h2>
            <p class="owl-caption hidden-sm">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent iaculis purus vel enim suscipit, vitae volutpat ante scelerisque. Pellentesque blandit malesuada dui, sed aliquet risus molestie non.</p>
        </div><img class="owl-img" src="https://res.cloudinary.com/jbennett45/image/upload/v1474628443/arrow_dqnmmf.jpg"></div>
    <div>
        <div class="owl-text-overlay hidden-xs">
            <h2 class="owl-title">Flash</h2>
            <p class="owl-caption hidden-sm">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent iaculis purus vel enim suscipit, vitae volutpat ante scelerisque. Pellentesque blandit malesuada dui, sed aliquet risus molestie non.</p>
        </div><img class="owl-img" src="https://res.cloudinary.com/jbennett45/image/upload/v1474628444/flash_pxythx.jpg"></div>
</div>
    
     
    
    
    
       
  
    
 


                        
    
                    
    
                
    

            
    

            
    
            
    
    
    
        
        
        
        
    
    

    
        
    


        
    
        
    

        
    
    
    
        3 回复  |  直到 7 年前
    
    

    
        
    

            
    
                
                
    

                    
                        
                    

                    

                    
                        
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                        Pardeep Dhingra 
                         
                        7 年前


                        
    
                        
    
 
 
 
  
    
   添加
   
    z-index
   
   到
   
    nav
   
   .
  
    
  
    
   z-index属性指定元素的堆栈顺序。
  
    
  
    
   
    Reference
   
  
    
  
    
  
    
  
    
   
    
    
    jQuery(document).ready(function($) {
    $("#owl-demo").owlCarousel({
        navigation : true,
        slideSpeed : 300,
        paginationSpeed : 500,
        items: 1,
        singleItem: true,
        autoPlay : 4000
    });
});

$('body').on('mouseenter mouseleave','.dropdown',function(e){
    var _d=$(e.target).closest('.dropdown');
    _d.addClass('show');
    setTimeout(function(){
        _d[_d.is(':hover')?'addClass':'removeClass']('show');
        $('[data-toggle="dropdown"]', _d).attr('aria-expanded',_d.is(':hover'));
    },300);
});
    
    
    /*sticky header position*/
.sticky.is-sticky {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 999;
    width: 100%;
}

header {
    background: transparent !important;

}

/*body {*/
    /*min-height: 1200px;*/
/*}*/
nav {
    background-color: #000000;
    min-height: 85px;
    color: white;
    opacity: 0.7;
    z-index: 999999; //Add this
}

.dropdown:hover>.dropdown-menu {
    display: block;
    overflow: visible;
    z-index: 1000;
    position: inherit;
    margin-top: 10%;
}

nav ul li a  {
    color:  white !important;
}

.top-div {
    font-size: 14px;
    background-color: black;
    color: white;
    padding-top: 10px;
}

.top-div p .fa-map-marker{
    margin-left: 4%;
}

.top-div p i {
    margin-right: 0.5%;
    margin-left: 3%;
    color: #c6b52d;
}

/* Ow; Slider CSS*/

#owl-demo {
    z-index: 30;
}

.owl-wrapper {
    positon: relative;
}

.owl-controls {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
}

.owl-theme .owl-controls .owl-page span {
    background: #fff !important;
}

.owl-img {
    width: 100%;
}

.owl-text-overlay {
    position: absolute;
    text-align: center;
    width: 60%;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.4);
    background: rgba(0, 0, 0, 0.4);
    padding-bottom: 20px;
    font-family: "Open Sans", sans-serif;
    border-radius: 15px 50px 30px 5px;
}
    
    
    <!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Imagine</title>
    <link href="https://fonts.googleapis.com/css?family=Ubuntu:300,400,800" rel="stylesheet">
    <link rel="stylesheet" href="main.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/owl-carousel/1.3.3/owl.carousel.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/owl-carousel/1.3.3/owl.theme.min.css">

    <script src="https://cdnjs.cloudflare.com/ajax/libs/owl-carousel/1.3.3/owl.carousel.min.js"></script>
   
</head>
<body>
<!--top header-->
<header>
    <!--most top info -->
    <!--<div style="height: 40px; background: red"></div>-->
    
    <!-- End most top info -->

    <nav class="navbar  navbar-expand-lg navbar-light top-navbar" data-toggle="sticky-onscroll">
        <div class="container">
            <a class="navbar-brand" href="#">
                <img src="assets/images/Logo-white.png" height="70" alt="">
            </a>
            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
            </button>

            <div class="collapse navbar-collapse justify-content-end" id="navbarSupportedContent">
                <ul class="navbar-nav pull-right">
                    <li class="nav-item">
                        <a class="nav-link active" href="#">Home</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="about-us.html">Who We Are</a>
                    </li>
                    <li class="nav-item dropdown">
                        <a class="nav-link dropdown-toggle" href="" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                            Dropdown link
                        </a>
                        <div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
                            <a class="dropdown-item" href="#">Action</a>
                            <a class="dropdown-item" href="#">Another action</a>
                            <a class="dropdown-item" href="#">Something else here</a>
                        </div>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Support & Service</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Contact Us</a>
                    </li>

                </ul>

            </div>
        </div>
    </nav>

</header>


<div class="owl-carousel owl-theme" id="owl-demo">
    <div>
        <div class="owl-text-overlay hidden-xs">
            <h2 class="owl-title">Arrow</h2>
            <p class="owl-caption hidden-sm">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent iaculis purus vel enim suscipit, vitae volutpat ante scelerisque. Pellentesque blandit malesuada dui, sed aliquet risus molestie non.</p>
        </div><img class="owl-img" src="https://res.cloudinary.com/jbennett45/image/upload/v1474628443/arrow_dqnmmf.jpg"></div>
    <div>
        <div class="owl-text-overlay hidden-xs">
            <h2 class="owl-title">Flash</h2>
            <p class="owl-caption hidden-sm">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent iaculis purus vel enim suscipit, vitae volutpat ante scelerisque. Pellentesque blandit malesuada dui, sed aliquet risus molestie non.</p>
        </div><img class="owl-img" src="https://res.cloudinary.com/jbennett45/image/upload/v1474628444/flash_pxythx.jpg"></div>
</div>
    
   
    
  
    
 

    
                        		
                
    
                    
            
    
        
    
    
        
    

            
    
                
                
    

                    
                        
                    

                    

                    
                        
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                        Cnye 
                         
                        7 年前


                        
    
                        
    
 
 
 
  
    
   你需要添加
   
    z-index: 999
   
   到
   
    
     .navbar
    
   
   班级。这是下拉菜单的整体父级。
  
    
  
    
   只是一个旁注:您可能希望更改子菜单项的颜色文本,因为它们当前是白色的,与背景图像匹配且不可见。
  
    
  
    
   这是工作小提琴:
   
    https://jsfiddle.net/Ly06krt3/20/
   
  
    
 

    
                        		
                
    
                    
            
    
        
    
    
        
    

            
    
                
                
    

                    
                        
                    

                    

                    
                        
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                        MOHD NADEEM 
                         
                        7 年前


                        
    
                        
    
 
 
 
  
    
   只需将z索引添加到下拉列表中,它就应该大于图像及其父级的z索引(如果有的话)。
  
    
 

    
                        		
                
    
                    
            
    
        
    
    


    

        
    

        
    
    
    
        
        
        
        
    
    

    

        
    
        
    

    
    
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