ปุ่ม Buttom ตัวอักษรปุ่มในปุ่ม Buttom อยากทำให้เป็น 2 บรรทัดได้ไหม

<div id="cen2">
				<div align="center" id="bodycen">
					Select Contract
				</div>
				<?
				$a = $_REQUEST['contract'];
					$con =  substr("$a", 9, 1);
					
				?>
				<div id="BN2" align="center">
					
						<div id="col7">
							<FORM ACTION = "ActionController.php?action=actionAddIssueProblem" METHOD = "post" >
							<input  id="L2" type="submit" name="bnMenuContract" value="Add or Edit Problem / Issue"  >
							<input  id="L" type="hidden" name="C" value="<? echo $_REQUEST["contract"]; ?>"  >
							</form>
						</div>
					
					
					<FORM ACTION = "ActionController.php?action=UpdateStatusaction" METHOD = "post" >
						<div id="col8">
								<input id="L2" value="Update Status" name="Submit" type="Submit" />
							<input  id="L" type="hidden" name="contract" value="<? echo $con; ?>"  >
							<input  id="L" type="hidden" name="CC" value="<? echo $_REQUEST["contract"]; ?>"  >
								<input  id="L" type="hidden" name="A" value="1"  >
						</div>
					</form>
					
					<FORM ACTION = "ActionController.php?action=actionReport" METHOD = "post" >
						<div id="col9">
							<input  id="L2" type="submit" name="bnMenuContract" value="Report"  >
							<input  id="L" type="hidden" name="C" value="<? echo $_REQUEST["contract"]; ?>"  >
							<input  id="L" type="hidden" name="contract" value="<? echo $con; ?>"  >
						</div>
					</form>
					
		
			
			
			
								
					<div id="clear"></div>
				
				</div>
			</div>

<input  id="L2" type="submit" name="bnMenuContract" value="Add or Edit Problem / Issue"  >
ลองเปลี่ยนเป็น
<button id="L2" type="submit" name="bnMenuContract">Add or Edit <br>Problem / Issue</button>