body {
  padding-top: -10px;
}

.carousel-item {
  height: 90vh;
  
  background: no-repeat center center scroll;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.portfolio-item {
  margin-bottom: 50px;
}