.slide-15{
  background: url("/common/photos/slides/250.jpg") center center;
  -webkit-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  width: 100%;
}
.slide-16{
  background: url("/common/photos/slides/100.jpg") center center;
  -webkit-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  width: 100%;
}
.slide-17{
  background: url("/common/photos/slides/35.jpg") center center;
  -webkit-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  width: 100%;
}