diff --git a/tests_hugo/chat_node/chat_client/chat.html b/tests_hugo/chat_node/chat_client/chat.html
index a282f67e..93c4eab4 100644
--- a/tests_hugo/chat_node/chat_client/chat.html
+++ b/tests_hugo/chat_node/chat_client/chat.html
@@ -137,16 +137,16 @@
 					<!-- placeholders -------
 					-->
 					<button class="chat_room_name btn" onclick="layout('room')">
-						<p class="__left">join room</p>
+						<p class="__left">user 1</p>
 					</button>
 					<button class="chat_room_name btn" onclick="layout('room')">
-						<p class="__left">one room</p>
+						<p class="__left blocked">user 2</p>
 					</button>
 					<button class="chat_room_name btn" onclick="layout('room')">
-						<p class="__left">another room</p>
+						<p class="__left">user 3</p>
 					</button>
 					<button class="chat_room_name btn" onclick="layout('room')">
-						<p class="__left">one more room</p>
+						<p class="__left">user 4</p>
 					</button>
 					<!-- END placeholders -->
 				</div>
diff --git a/tests_hugo/chat_node/chat_client/style/layout_room_set.css b/tests_hugo/chat_node/chat_client/style/layout_room_set.css
index da840ee5..db9ebccd 100644
--- a/tests_hugo/chat_node/chat_client/style/layout_room_set.css
+++ b/tests_hugo/chat_node/chat_client/style/layout_room_set.css
@@ -12,12 +12,20 @@
 	display: flex;
 }
 
+
 /* button "<room_name>" appearance
 */
 /* add or remove '.chat_item' to toggle the hover effect */
-#chat_box.room_name button.chat_item.chat_room_name {
+#chat_box.room_set button.chat_item.chat_room_name {
 	width: auto;
 	background-color: transparent;
 	pointer-events: none;
 }
 
+
+/* button "leave" appearance
+*/
+#chat_box.room_set .chat_item button.chat_leave_btn {
+	margin: 10px 0px;
+}
+