inline_entity_form.css in Inline Entity Form 7

.ief-cardinality-count {
  text-align: right;
  font-size: 0.9em;
}

.ief-tabledrag-header {
  border-right: none;
}

.ief-sort-order-header {
  border-left: none;
}

.ief-first-column-header {
  border-left: none;
}

.ief-tabledrag-handle {
  padding-right: 0;
  width: 20px;
}

.ief-tabledrag-handle a.tabledrag-handle {
  padding-right: .5em;
}

fieldset.ief-entity-fieldset {
  margin: 0;
}

.ief-row-form > td {
  padding: 0;
}

.ief-row-form .ief-form-row {
  border-bottom: 10px solid #ccc;
  padding: 20px;
}