.dropdown-menu > li > a {
    display: block;
    padding: 3px 20px;
    clear: both;
    font-weight: 400;
    line-height: 1.42857143;
    color: 
    #333;
    white-space: nowrap;
}

.dropdown-menu > .active > a, .dropdown-menu > .active > a:focus, .dropdown-menu > .active > a:hover {
    color: 
#fff;
text-decoration: none;
background-color:
    #337ab7;
    outline: 0;
}