#intro {
  background: url("../img/1920.jpg") no-repeat center center;
  background-size: cover;
}

.top-nav-collapse {
  background-color: #b71c1c !important;
}

.navbar:not(.top-nav-collapse) {
  background: transparent !important;
}

@media (max-width: 768px) {
  .navbar:not(.top-nav-collapse) {
    background: #3949ab !important;
  }
}
#top{
	font-family: 'Mina', sans-serif;
}
#intro .h6 {
  font-weight: 300;
  line-height: 1.7;
}

.hm-gradient .full-bg-img {
  background: rgba(13, 1, 1, 0.76);
  /*! background: linear-gradient(45deg, rgba(42, 27, 161, 0.7), rgba(29, 210, 177, 0.7) 100%); */
}

@media (max-width: 450px) {
  .margins {
    margin-right: 1rem;
    margin-left: 1rem;
  }
}

#courses .lead {
  opacity: 0.7;
}

#courses .card-image {
  background: url("../img/architecture1.jpg") no-repeat center center;
}

#courses ul li {
  font-size: 1.1em;
}