.header-dark {
  background: url(mountain_bg.jpg) #444;
  background-size: cover;
  padding-bottom: 80px;
}

@media (min-width:768px) {
  .header-dark {
    padding-bottom: 120px;
  }
}

.header-dark .navbar {
  background: transparent;
  color: #fff;
  border-radius: 0;
  box-shadow: none;
  border: none;
}

@media (min-width:768px) {
  .header-dark .navbar {
    padding-top: .75rem;
    padding-bottom: .75rem;
  }
}

.header-dark .navbar .navbar-brand {
  font-weight: bold;
  color: inherit;
}

.header-dark .navbar .navbar-brand:hover {
  color: #f0f0f0;
}

.header-dark .navbar .navbar-toggler {
  border-color: #FFFFFF;
}

.header-dark .navbar .navbar-toggler:hover, .header-dark .navbar-toggler:focus {
  background: none;
}

.header-dark .navbar .navbar-toggler {
  color: #FFFFFF;
}

.header-dark .navbar .navbar-collapse, .header-dark .navbar form {
  border-color: #636363;
}

@media (min-width: 992px) {
  .header-dark .navbar.navbar .navbar-nav .nav-link {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }
}

.header-dark .hero {
  margin-top: 60px;
}

@media (min-width:768px) {
  .header-dark .hero {
    margin-top: 20px;
  }
}

.header-dark .hero h1 {
  color: #fff;
  font-family: 'Bitter', serif;
  font-size: 40px;
  margin-top: 20px;
  margin-bottom: 80px;
}

@media (min-width:768px) {
  .header-dark .hero h1 {
    margin-bottom: 50px;
    line-height: 1.5;
  }
}