#customblock-menu,
#customblock-template,
#customblock-tools,
#customblock-indexing {
  margin-bottom: 5px !important;
  padding-bottom: 0 !important;
}

.pkp_block.block_custom {
  margin-bottom: 5px !important;
  padding-bottom: 0 !important;
}

.pkp_block {
  margin-bottom: 5px !important;
  padding-bottom: 0 !important;
}