I am using the following css to change background color of navbar dropdown active link.
.navbar .nav > li.dropdown.ope
I think this should work:
.nav.nav-tabs > li.dropdown.active.open > a,
.nav.nav-tabs > li.dropdown.active.open > ul.dropdown-menu a:hover,
.nav.nav-tabs > li.dropdown.open > a,
.nav.nav-tabs > li.dropdown.open > ul.dropdown-menu a:hover
{
color: #fff;
background-color: #b91773;
border-color: #fff;
}
Note no space between .nav.nav-tabs cause to select for having both and not the second followed by the first.
caret:
.nav.nav-tabs > li.dropdown.active.open > a span.caret {border-top-color: #fff;border-bottom-color: #fff;}