preliminary

src/scss/tab-list.scss

@@ -1,3 +1,6 @@
+@import "@fortawesome/fontawesome-free/scss/fontawesome.scss";
+@import "@fortawesome/fontawesome-free/scss/fa-solid.scss";
+
 .tab-list {
 	list-style: none;
 	//Prevent margin breakout of lis
@@ -21,6 +24,12 @@
 		&:hover {
 			background-color: $hover-color;
 		}
+
+		.tab-title {
+		}
+
+		.close-button {
+			float: right;
+		}
 	}
 }
-

src/twig/tab-list.html.twig

@@ -5,6 +5,7 @@
 				<span class="tab-title">
 					{{ tab.title }}
 				</span>
+				<i class="close-button fas fa-times-circle"></i>
 			</li>
 		{% endfor %}
 	</ul>