#dns-nav > ul > li > a {
  /*border-top: 1px solid #DDD;*/

  border-bottom: 1px solid #CFD1D2;
  padding: 6px 8px 8px;
}
#dns-nav .nav-list > .active > a, 
#dns-nav .nav-list > .active > a:hover, 
#dns-nav .nav-list > .active > a:focus,
#dns-nav .nav-list > a:hover, 
#dns-nav .nav-list > a:focus {
  color: #000;
  text-shadow: none;
  background-color: #fff;
  background: transparent;
}
#dns-nav.affix-top {
  top:70px;
}
#dns-nav.affix {
  position:fixed;
  top:70px;
}
#dns-nav.affix-bottom {
  position: absolute;
  top: auto;
  background: red;
  bottom: 300px;
}
h4 {
  text-decoration: underline;
  margin:20px 0;
}
@media (max-width: 768px) { 
  #dns-nav {
    position: static;
    width: 100%;
  }
  #dns-nav.affix {
    position:static;
  }
}