diff --git a/workflowy-helper/style.css b/workflowy-helper/style.css
index 8a585e6..2e5c690 100644
--- a/workflowy-helper/style.css
+++ b/workflowy-helper/style.css
@@ -715,3 +715,15 @@ body::-webkit-scrollbar {
 .boardCard.tagged-a {
 	border-color: var(--red) !important;
 }
+
+.boardCard.tagged-b {
+	border-color: var(--blue) !important;
+}
+
+.boardCard.tagged-c {
+	border-color: var(--green) !important;
+}
+
+.boardCard.tagged-d {
+	border-color: var(--violet) !important;
+}