+ <button type="submit" name="remove" class="btn btn-primary" th:value="|${card.key}:${row.key}|">Remove</button>
+ </div>
+ <div class="form-group">
+ <input type="text" th:field="*{row[__${card.key}__]}" />
+ <button type="submit" name="add" value="row" class="btn btn-primary">Add Row</button>