.navbar, .dropdown-menu{
background:rgba(255,255,255,0.75);
border: none;

}

.nav>li>a, .dropdown-menu>li>a:focus, .dropdown-menu>li>a:hover, .dropdown-menu>li>a, .dropdown-menu>li{
  border-bottom: 3px solid transparent;
}
.nav>li>a:focus, .nav>li>a:hover,.nav .open>a, .nav .open>a:focus, .nav .open>a:hover, .dropdown-menu>li>a:focus, .dropdown-menu>li>a:hover{
  border-bottom: 3px solid transparent;
  background: none;
}
.navbar a, .dropdown-menu>li>a, .dropdown-menu>li>a:focus, .dropdown-menu>li>a:hover{
 color: #00f;
}
.dropdown-menu{
      -webkit-box-shadow: none;
    box-shadow:none;
}

.nav li:hover, .nav li.active{
  border-bottom: #00f 3px solid;
}