Update ManageTask.module.css

Author: Imggaggu

frontend/src/pages/admin/ManageTask.module.css

@@ -111,6 +111,8 @@
   flex-direction: column;
   justify-content: center;
   align-items: center;
+  overflow-y: auto;
+  scrollbar-width: none;
 }
 .plus {
   cursor: pointer;