Bootstrap 3 affix navbar becomes transparent and unclickable when scrolling and overlapping content

问题

I'm sure it's very simple but I'm pretty new at Bootstrap and even html/css.

I want my navbar to be after my header and fixed to the top when scrolling past it. I got this working, BUT: the navbar becomes transparent and unclickable when scrolling and above my other content.

How do i overcome this?

Here's my .html:

`

<div id="nav" class="navbar navbar-default">
  <div class="container">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
        <span class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span>
      </button>
      <a href="#" class="navbar-brand">Your Company</a>
    </div>
    <div class="collapse navbar-collapse" style>
      <ul class="nav navbar-nav">
        <li class="active">
          <a href="#">Home</a>
        </li>
        <li>
          <a href="#about">About</a>
        </li>
        <li>
          <a href="#everyday">Everyday</a>
        </li>
        <li>
          <a href="#contact">Contact</a>
        </li>
      </ul>
    </div>
  </div>
</div>

`

Here's my affix .css:

#nav.affix {
    position: fixed;
    top: 0;
    width: 100%
}

Here's my affix related js:

$(function() {
    $('#nav-wrapper').height($("#nav").height());

    $('#nav').affix({
        offset: { top: $('#nav').offset().top }
    });
});

Thank you!

回答1:

Change the z-index of #nav to :

#nav{
  z-index:9999;
}

来源：https://stackoverflow.com/questions/20550549/bootstrap-3-affix-navbar-becomes-transparent-and-unclickable-when-scrolling-and