fix border

Author: gumaerc

frontends/main/src/app-pages/DashboardPage/CoursewareDisplay/EnrollmentDisplay.tsx

@@ -20,7 +20,7 @@ const Wrapper = styled.div(({ theme }) => ({
   boxShadow: "0px 4px 8px 0px rgba(19, 20, 21, 0.08)",
   borderRadius: "8px",
   [theme.breakpoints.down("md")]: {
-    borderColor: theme.custom.colors.lightGray2,
+    border: `1px solid ${theme.custom.colors.lightGray2}`,
     backgroundColor: "rgba(243, 244, 248, 0.60);", // TODO: use theme color
     marginTop: "16px",
     padding: "0",