harbor/static/ng/resources/css/header.css

.navbar-custom {
  background-image: none;
  background-color: #057ac9;
  height: 66px;
  margin-bottom: 0;
}

nav .container {
  margin-top: 15px;
}

nav .container-custom {
  min-width: 1024px;
}

.navbar-custom .navbar-nav > li > a,
.navbar-custom .navbar-nav > li > a:hover,
.navbar-custom .navbar-nav > li > a:focus,
.navbar-custom .navbar-nav > li > a:active {
  color: white; /*Change active text color here*/
}

.navbar-brand > img {
  height: 60px;
  width: 100px;
  margin-top: -30px; 
  filter: brightness(0) invert(1);
  -webkit-filter: brightness(0) invert(1);
}

.navbar-form {
    margin-top: 0;
    padding-right: 0;
}

.search-icon {
    background: url("/static/ng/resources/img/magnitude-glass.jpg") no-repeat 97% 6px;
    background-size: 1.5em;
    background-color: #FFFFFF;
}

.nav-custom li {
    float: left;
    padding: 10px 0 0 0;
    margin-right: 12px;
    list-style: none;
    display: inline-block;
}

.nav-custom li a {
    font-size: 14px;
    color: #FFFFFF;
    text-decoration: none;
}

.nav-custom .active {
     border-bottom: 3px solid #EFEFEF;
}

.dropdown {
  float: left;
}

.dropdown .btn-link:hover,
.dropdown .btn-link:visited,
.dropdown .btn-link:link {
  display:inline-block; 
  text-decoration: none;
  color: #FFFFFF;
}

.dropdown-submenu {
    position: relative;
}

.dropdown-submenu>.dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -6px;
    margin-left: -1px;
    -webkit-border-radius: 0 6px 6px 6px;
    -moz-border-radius: 0 6px 6px;
    border-radius: 0 6px 6px 6px;
}

.dropdown-submenu:hover>.dropdown-menu {
    display: block;
}

.dropdown-submenu>a:after {
    display: block;
    content: " ";
    float: right;
    width: 0;
    height: 0;
    border-color: transparent;
    border-style: solid;
    border-width: 5px 0 5px 5px;
    border-left-color: #ccc;
    margin-top: 5px;
    margin-right: -10px;
}

.dropdown-submenu:hover>a:after {
    border-left-color: #fff;
}

.dropdown-submenu.pull-left {
    float: none;
}

.dropdown-submenu.pull-left>.dropdown-menu {
    left: -100%;
    margin-left: 10px;
    -webkit-border-radius: 6px 0 6px 6px;
    -moz-border-radius: 6px 0 6px 6px;
    border-radius: 6px 0 6px 6px;
}