body {
  padding-top: 56px;
}

.carousel-item {
    height: 260px;
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: scroll;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
}

.portfolio-item {
  margin-bottom: 30px;
}