In my navigation links when I hover over a particular <li> the background color changes. That's what I want. But when I shift the mouse cursor to its child menu list (drop down content), the background color of the parent <li> changes to something else. I tried giving !important on its focus, before, after, active everything but nothing seems to work. When I hover on that particular <li> to get the sub menu the background color changes fine but when I move over to the sub menu its background color changes again. Also, please note that when I shift my cursor to the next <li> item its still working fine. The problem is occurring only when my cursor goes down to the dropdown menu. I am using Bootstrap v3.3.6.
CSS
#category-navi .cats-menu {
  width: 100%;
  background: rgba(0,0,0,0.6);
  position: fixed;
  margin-top: 60px;
  z-index: 100;
  border-top: 1px solid rgba(0,0,0,0.5);
}
.parent-menu .navbar-collapse {
  padding-left: 0px;
}
.parent-menu .nav li > a:hover  {
  background-color: rgba(0,0,0,0.6);
  color: #fff;
}
.parent-menu .nav li > a:after  {
  background-color: rgba(0,0,0,0.6);
  color: #fff;
}
.mega-dropdown {
  position: static !important;
}
.dropdown-toggle a:hover {
  background-color: rgba(0,0,0,0.8) !important;
  color: #fff;
}
.mega-dropdown-menu {
  padding: 20px 0px;
  width: 100%;
  box-shadow: none;
  -webkit-box-shadow: none;
}
.mega-dropdown-menu > li > ul {
  padding: 0;
  margin: 0;
}
.mega-dropdown-menu > li > ul > li {
  list-style: none;
}
.mega-dropdown-menu > li > ul > li > a {
  display: block;
  color: #222;
  padding: 3px 5px;
}
.mega-dropdown-menu > li ul > li > a:hover,
.mega-dropdown-menu > li ul > li > a:focus {
  text-decoration: underline;
  background-color: none !important;
}
.mega-dropdown-menu .dropdown-header {
  font-size: 18px;
  color: #ff3546;
  padding: 5px 60px 5px 5px;
  line-height: 30px;
}
.dropdown-toggle {
  color: #fff;
}
.mega-dropdown ul {
  margin-top: -1px !important;
  margin-left: -1px !important;
  border-top: none !important;
}
HTML
<section id="category-navi">
    <div class="cats-menu" id="cats-menu">
      <div class="container">
        <div class="parent-menu">
          <nav class="navbar">
            <div class="navbar-header">
                <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".js-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>
            </div>
            <div class="collapse navbar-collapse js-navbar-collapse">
                <ul class="nav navbar-nav">
              {foreach from=$cats item=cat}
                    <li class="dropdown mega-dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown">{$cat.name} <span class="caret"></span></a>
                        <ul class="dropdown-menu mega-dropdown-menu">
                    {foreach from=$cat.categories item=subcat}
                            <li class="col-sm-3">
                                <ul>
                                    <li class="dropdown-header">{$subcat.sc_name}</li>
                        {foreach from=$subcat.ccname item=childcat}
                          <li><a href="#">{$childcat.cc_name}</a></li>
                        {/foreach}
                                </ul>
                            </li>
                    {/foreach}
                    </ul>
                    </li>
              {/foreach}
               </ul>
             </div><!-- /.nav-collapse -->
          </nav>
        </div>
      </div>
    </div>
  </section>
 
    