#content-rows {
  margin-bottom: 35px;
}

.lightbox {
  margin-top: 35px;
}

#content-rows {
  margin-bottom: 35px;
}

.lightbox {
  margin-top: 35px;
}

.img-fluid {
  margin-bottom: 1rem;
}

Tweak the layout for the img-fluid preview.
Tweak the layout for the img-fluid preview.
