Bootstrap Dropdown

dropdown.html

<div style="z-index: 5;" class="topbar-wrapper">
    <div data-dropdown="dropdown" class="topbar">
      <div class="topbar-inner">
        <div class="container">
          <h3><a href="#">Project Name</a></h3>
          <ul class="nav">
            <li class="active"><a href="#">Home</a></li>
            <li><a href="#">Link</a></li>
            <li><a href="#">Link</a></li>
            <li><a href="#">Link</a></li>
            <li class="dropdown">
              <a class="dropdown-toggle" href="#">Dropdown</a>
              <ul class="dropdown-menu">
                <li><a href="#">Secondary link</a></li>
                <li><a href="#">Something else here</a></li>
                <li class="divider"></li>
                <li><a href="#">Another link</a></li>
              </ul>
            </li>
          </ul>
          <form action="" class="pull-left">
            <input type="text" placeholder="Search">
          </form>
          <ul class="nav secondary-nav">
            <li class="dropdown">
              <a class="dropdown-toggle" href="#">Dropdown</a>
              <ul class="dropdown-menu">
                <li><a href="#">Secondary link</a></li>
                <li><a href="#">Something else here</a></li>
                <li class="divider"></li>
                <li><a href="#">Another link</a></li>
              </ul>
            </li>
          </ul>
        </div>
      </div><!-- /topbar-inner -->
    </div><!-- /topbar -->
  </div>

style.css

ul.nav li.dropdown:hover ul.dropdown-menu{
    display: block;    
}

a.menu:after, .dropdown-toggle:after {
  content: none;
}

/*Demo : http://jsfiddle.net/ekjxu/ */