diff --git a/teachertool/src/teacherTool.css b/teachertool/src/teacherTool.css
index 6f9d6fa0d255..987819830c0c 100644
--- a/teachertool/src/teacherTool.css
+++ b/teachertool/src/teacherTool.css
@@ -312,7 +312,7 @@ code {
 .catalog-item {
     display: flex;
     align-items: center;
-    justify-content: start;
+    justify-content: flex-start;
     margin: 0;
     padding: 1rem;
     border: none;