【问题标题】:Images overlap collapsed navbar图像重叠折叠的导航栏
【发布时间】:2016-12-31 14:12:42
【问题描述】:

我在网上找不到这样的东西,所以我问你们!问题是我的图标与折叠的导航栏重叠。

我的代码:

 <div class="container-fluid">
                                    <div class="row">
                                        <div class="">
                                            <div id="black">
                                            <nav class="navbar navbar-default navbar-inverse" role="navigation">
                                              <div class="container-fluid">
                                                <!-- 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">
                                                        <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="img-responsive col-xs-4 col-sm-8 col-md-10 col-lg-12" href="#"> 
                                                        <img id="logo2" alt="Logo" class="" height="80%" width="73%" src="images/logo1.png"> 
                                                      </a>
                                                </div>

 <div class="container-fluid">
                <div class="row">
                    <div class="">
                        <div id="black">
                        <nav class="navbar navbar-default navbar-inverse"                             role="navigation">
                          <div class="container-fluid">
                            <!-- 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">
                                    <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="img-responsive col-xs-4 col-sm-8 col-md-10 col-lg-12" href="#"> 
                                    <img id="logo2" alt="Logo" class="" height="80%" width="73%" src="images/logo1.png"> 
                                  </a>
                            </div>

<!-- Navbar contentas -->
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
      <ul class="nav navbar-nav">
        <li><a class="visible-lg" href="#">Pagrindinis</a></li>
        <li><a class="visible-lg" href="#">Kontaktai</a></li>
        <li><a class="visible-lg" href="#">Apie mus</a></li>
        <li><a class="visible-lg" href="#">Paslaugos</a></li>
        <li><a href="#"></a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li><a href="#"></a></li>
            <li><a href="#">Pagrindinis</a></li>
            <li><a href="#">Apie mus</a></li>
            <li><a href="#">Kontaktai</a></li>
            <li><a href="tel:+" onclick="ga('send', 'event', { eventCategory: 'Mygtukas', eventAction: 'Telefonas'});">+370 67651008</a></li>
            <li class="divider"></li>
            <li><a href="#">One more separated link</a></li>
          </ul>
        </li>
      </ul>
      <ul class="nav navbar-nav navbar-right">
        <li><p class="navbar-text" style="margin-left: 15px;" >Already have an account?</p></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown"><b>Login</b> <span class="caret"></span></a>
            <ul id="login-dp" class="dropdown-menu">
                <li>
                     <div class="row">
                            <div class="col-md-12">
                                Login via
                                <div class="social-buttons">
                                    <a href="#" class="btn btn-fb"><i class="fa fa-facebook"></i> Facebook</a>
                                    <a href="#" class="btn btn-tw"><i class="fa fa-twitter"></i> Twitter</a>
                                </div>
                                or
                                 <form class="form" role="form" method="post" action="login" accept-charset="UTF-8" id="login-nav">
                                        <div class="form-group">
                                             <label class="sr-only" for="exampleInputEmail2">Email address</label>
                                             <input type="email" class="form-control" id="exampleInputEmail2" placeholder="Email address" required>
                                        </div>
                                        <div class="form-group">
                                             <label class="sr-only" for="exampleInputPassword2">Password</label>
                                             <input type="password" class="form-control" id="exampleInputPassword2" placeholder="Password" required>
                                             <div class="help-block text-right"><a href="">Forget the password ?</a></div>
                                        </div>
                                        <div class="form-group">
                                             <button type="submit" class="btn btn-primary btn-block">Sign in</button>
                                        </div>
                                        <div class="checkbox">
                                             <label>
                                             <input type="checkbox"> keep me logged-in
                                             </label>
                                        </div>
                                 </form>
                            </div>
                            <div class="bottom text-center">
                                New here ? <a href="#"><b>Join Us</b></a>
                            </div>
                     </div>
                </li>
            </ul>
        </li>
      </ul>
    </div><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>          
    </div>
        <div id="mint"></div>
            <div class="" id="background1">
                <div class="container-fluid">
                    <img class="img-responsive" id="logo1" src="images/logo1.png"/>
                </div>
                <div class="container-fluid">
                    <p id="p1" class="" >A great new free psd theme to showcase your<br>new application.</p>
                </div>
                <div id="sicons">
                    <img class="img-responsive col-xs-3 col-sm-3 col-md-4 col-lg-4" src="images/icon1.png"/>
                    <img class="img-responsive col-xs-3 col-sm-3 col-md-4 col-lg-4" style="margin-left: -15px; margin-right: -15px;" src="images/icon2.png"/>
                    <img class="img-responsive col-xs-3 col-sm-3 col-md-4 col-lg-4" src="images/icon3.png"/>
                </div>
            </div>

CSS:

        body {
    margin: 0px;
    padding: 0px;
    font-family: sans-serif;
    }

    #black {
    height: 48px;
    background-color: #282828;
    }
    /*------------NAVBAR DALYKAI-------------------------*/

    #login-dp{
    min-width: 250px;
    padding: 14px 14px 0;
    overflow:hidden;
    background-color:rgba(255,255,255,.8);
    }
    #login-dp .help-block{
    font-size:12px    
    }
    #login-dp .bottom{
    background-color:rgba(255,255,255,.8);
    border-top:1px solid #ddd;
    clear:both;
    padding:14px;
    }
    #login-dp .social-buttons{
    margin:12px 0    
    }
    #login-dp .social-buttons a{
    width: 49%;
    }
    #login-dp .form-group {
    margin-bottom: 10px;
    }
    .btn-fb{
    color: #fff;
    background-color:#3b5998;
    }
    .btn-fb:hover{
    color: #fff;
    background-color:#496ebc 
    }
    .btn-tw{
    color: #fff;
    background-color:#55acee;
    }
    .btn-tw:hover{
    color: #fff;
    background-color:#59b5fa;
    }
    @media(max-width:768px){
    #login-dp{
        background-color: inherit;
        color: #fff;
    }
    #login-dp .bottom{
        background-color: inherit;
        border-top:0 none;
    }
    }
    /*-------------------------------------------------------------------------------------------------------------------------*/



    #mint {
    height: 10px;
    background-color: #2ecc71;
    }

    #background1
    {
    height: 600px;
    background-image: url("images/background1.jpg"); 
    background-repeat: no-repeat;
    background-size:100%;
    }


    .p {
    font-family: Myriad Pro;
    }

    #logo1 {
    width: 10%;
    margin-left: 20%;
    margin-top: 11%;
    }

    #logo2 {
    margin-top: 5%;
    }

    #p1 {
    font-family: helvica-thin;
    margin-left: 20%;
    margin-top: 2%;
    color: white;
    font-size: 1.5vw;
    }

    #sicons {
    position: absolute;
    margin-left: 20%;
    background-color: grey;
    }

    #sicons a:hover {
    color: green;
    }

    #white {
    height: 245px;
    }

    #icons {
    position: absolute;
    }

    #iframe {
    /*margin-top: 55px;
    margin-left: 350px;*/
    border-radius: 10px;
    overflow: hidden;
    max-width: 560px; 
    max-height: 315px;
    }

    #button {
    border-radius: 0px 10px 10px 0px;
    height: 56px;
    width: 141px;
    background-color: #2ecc71;
    border: 0;
    box-shadow:none;
    color: white;
    font-size: 24px;
    }

    #p2 {
    position: absolute;
    text-align: center;
    }

    #grey {
    height: 427px;
    background-color: #e3e3e3;
    }

    #white1 {
    height: 468px;
    }

    #grey1 {
    min-height: 130px;
    background-color: #e3e3e3;
    }

【问题讨论】:

  • Banzay 天哪,非常感谢你是怎么做到的?超级感谢。 :)

标签: html css twitter-bootstrap navigation navbar


【解决方案1】:

通过查看您的代码示例,罪魁祸首似乎是#sicons,其值为position: absolute;。绝对定位的项目将始终位于相对定位的项目之上。尝试为您的导航栏和#sicons 容器分配z-index 值,使#sicons 的值低于您的导航栏。

有关z-index 的工作原理、它如何与定位元素交互以及堆叠顺序的更多信息,请查看此 Stack Overflow 问题的答案:"Understanding z-index stacking order"

【讨论】:

  • mm 我做了相对的,它仍然重叠
  • 我应该再使用 1 个问题 position: absolute?因为有时它不能很好地与引导程序一起使用。
  • @reimiux 你的导航栏有z-index 值吗?使用绝对定位没有错。如果您了解 z-index 的工作原理,那么使用起来会更容易。我已经用一篇文章更新了我的答案以供参考。
  • 是的,他们都有我的#sicons 有 z-index: 1 和我的导航栏有 z-index: 999。图标仍然重叠它们。感谢您,我学会了如何使用 xs 和 s 的相对位置!我一直在寻找它,即使我在 stackoverflow 上写了一篇文章。但我自己发现了 :) 非常感谢
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