#mainNav .navbar-nav .nav-item .nav-link.active, #mainNav .navbar-nav .nav-item .nav-link:hover {
  color: #ffffff;
}

#portfolio .portfolio-item .portfolio-caption {
  max-width: 400px;
  margin: 0 auto;
  padding: 25px;
  text-align: center;
  background-color: #000000;
}