diff --git a/index_4.8.html b/index_4.8.html
index 0ba8523..fbb005f 100644
--- a/index_4.8.html
+++ b/index_4.8.html
@@ -689,6 +689,7 @@
 												</select>
 											</div>
 											<span class="px-2" id="spanContenenti">Contenenti:</span>
+											
 											<div id="grammaticaEsintassi" style="display: none;">
 												<div class="px-1  pb-0" id="cercaFrasiPeriodiDiscorsi">
 													<div
@@ -1994,6 +1995,10 @@
 												class="addCCbtn btn btn-md  bg-secondary text-white">
 												<span class="text-white">OR</span>
 											</button>
+											<button id="btnParentesi" type="button"
+												class="addCCbtn btn btn-md  bg-secondary text-white">
+												<span class="text-white">( )</span>
+											</button>
 										</div>
 									</div>
 								</div>
@@ -2017,22 +2022,29 @@
 
 
 		<div style="display: none;">
+		
 			<ul>
 				<!--   LI CLAUSOLA -->
 				<li id="li-claxX1Xx" style="display: none;"
 					class="claLI card mx-0 my-1 py-1 px-0 list-group-item align-items-center border text-muted  bg-lida-vis">
+				
 					<div class="handle container p-0 pl-1">
+						
 						<div
 							class="row no-gutters flex-nowrap align-items-start justify-content-between">
+							
 							<div class="col-md-auto pl-0 pr-1 align-self-start">
+							
 								<span class="ui-icon ui-icon-arrowthick-2-n-s"></span>
 							</div>
 							<div style="min-height: 64px;"
 								class="col-md-auto pl-0 pr-2 pb-2 flex-fill align-self-start">
 								<span class="small clatext">xX2Xx<br> <br></span>
 							</div>
+							
 							<div
 								class="col-md-auto px-1 align-self-start justify-content-end">
+								
 								<div class="row no-gutters flex-nowrap justify-content-end">
 									<div
 										class="col-auto pb-0 pl-2 pr-1 pt-1 align-top flex-grow-1 align-self-start justify-content-end text-right bd-highlight text-success editCla"
@@ -2054,7 +2066,9 @@
 										</button>
 									</div>
 								</div>
+								
 							</div>
+							
 						</div>
 						<div
 							class="row no-gutters flex-nowrap align-items-start justify-content-end">
@@ -2067,6 +2081,7 @@
 									aria-expanded="false" aria-controls="collapseClaxX1Xx">
 									<ion-icon name="pencil"></ion-icon>
 								</button>
+								
 							</div>
 						</div>
 					</div>
diff --git a/js/script_4.8.js b/js/script_4.8.js
index edfd6db..221a665 100644
--- a/js/script_4.8.js
+++ b/js/script_4.8.js
@@ -67,7 +67,11 @@ $(document).ready(function() {
 		var newStyle = $(this)[0].id;
 		setStyle(newStyle);
 	});
-
+	$('#btnParentesi').on('click', function() {
+		var fava = $("#parentesiAperta1");
+			$("#parentesiAperta1").attr('style', "display: d-flex;");	
+			$("#parentesiChiusa2").attr('style', "display: d-flex;");	
+	});
 
 	// Evento: click sulla voce about del menu info
 	$("#visAbout").PopupLayer({
@@ -162,6 +166,8 @@ $(document).ready(function() {
 		});
 		if (tabID == 0) {
 			tabID++;
+			$('#sortable0').append('<h3 class="text-primary " id="parentesiAperta1" style="display: none;">(<br></h3>');
+
 			addGramCla("#sortable0", 1, tabID, 1);
 		}else{
 			refreshClaList(tabID);		
@@ -953,6 +959,7 @@ $(document).ready(function() {
 		claClone.attr("data-claActive", active);
 		claClone.attr("aria-labelledby", "cla" + tabID + "-tab");
 		claClone.attr("style", "");
+
 		$('#claBody' + tabID).append(claClone);
 		$('#cla' + tabID + " #grammtypesN").attr("id", "grammtypes_" + tabID);
 		$('#cla' + tabID + " #lemma_formaINIT").attr("id", "lemmaforma_" + tabID);
@@ -1151,10 +1158,14 @@ $(document).ready(function() {
 		}
 		$(sortableId).append(boolCond)		
 		$(sortableId).append($(cloneLI)[0]);
+		if (tabID == 2){
+			$(sortableId).append('<h3 class="text-primary " id="parentesiChiusa2" style="display: none;">)<br></h3>');
+		}
 		if (toExpand == 1) {
 			$("#claCollapse" + tabID).focus();
 			$("#claCollapse" + tabID).trigger("click");
 		}
+	
 		$("#li-cla" + tabID).fadeTo(1000, 1);
 	};