.unit-template-minis-header {
  text-align: center;
  color: $white;
  background-image: image-url('unit-templates/activity_pack_banner_large');
  padding: 8em 26em;
  h1 {
    font-weight: 900;
    margin-bottom: 2em;
  }
}

.unit-template-minis-header {
  text-align: center;
  color: $white;
  background-image: image-url('unit-templates/activity_pack_banner_large');
  padding: 8em 26em;
  h1 {
    font-weight: 900;
    margin-bottom: 1em;
  }
}

Decrease the margin below the activity pack header.
Decrease the margin below the activity pack header.