diff --git a/main.css b/main.css
index 106e9a3..c6e16eb 100644
--- a/main.css
+++ b/main.css
@@ -187,7 +187,7 @@
   .course-columns-header .square-toggle > *,
   .course-columns-header input,
   .course-columns-header .select-wrapper,
-  .course-columns-header .makeStylespageDropdownButton-0-2-80 {
+  .course-columns-header button[class*=makeStylespageDropdownButton] {
     border-radius: 0.5rem !important;
   }
   .base-courses .course-card-term-name {
diff --git a/styles/_online.manchester.ac.uk_ultra.scss b/styles/_online.manchester.ac.uk_ultra.scss
index 80c5ef9..7f3602f 100644
--- a/styles/_online.manchester.ac.uk_ultra.scss
+++ b/styles/_online.manchester.ac.uk_ultra.scss
@@ -98,8 +98,7 @@ button.anchor,
     .square-toggle > *,
     input,
     .select-wrapper,
-    .makeStylespageDropdownButton-0-2-80
-    {
+    button[class*="makeStylespageDropdownButton"] {
         border-radius: 0.5rem !important;
     }
 }