<form class="mt-40 mb-20">
  <input type="hidden" id="p4_product_id" value="">
  <input type="hidden" id="p4_retur_cat" value="">
  <label for="p4_name">Product Name</label>
  <input type="text" id="p4_name" placeholder="Product Name" value="">
  <label for="p4_item_code">Item Code</label>
  <input type="text" id="p4_item_code" placeholder="Item Code" value="">
  <label for="p4_from_to">From/To</label>
  <input type="text" id="p4_from_to" placeholder="From/To" value="">
  <label for="p4_action_at">Action At</label>
  <input type="datetime-local" id="p4_action_at" placeholder="Action At" value="">
  <label for="p4_qty">Qty</label>
  <input type="text" id="p4_qty" placeholder="Qty" value="">
  <label for="p4_price_per_unit">Price Per Unit</label>
  <input type="text" id="p4_price_per_unit" placeholder="Price Per Unit" value="">
  <label for="p4_invoice">Invoice Id</label>
  <input type="text" id="p4_invoice" placeholder="Invoice Id" value="">
  <label for="p4_returid">Retur Id</label>
  <input type="text" id="p4_returid" placeholder="Retur Id" value="">
  <a href="#" id="product_retur_button" class="btn btn-primary btn-block fw-700 mb-30">Save</a>
</form>