diff --git a/superset/assets/src/CRUD/styles.css b/superset/assets/src/CRUD/styles.css
index be3c7270f..bcb0f2c11 100644
--- a/superset/assets/src/CRUD/styles.css
+++ b/superset/assets/src/CRUD/styles.css
@@ -19,11 +19,11 @@
 .CRUD i.fa-caret-down, i.fa-caret-up {
   width: '5px';
 }
-.CRUD td.expanded = {
+.CRUD td.expanded {
   border-top: '0px';
   padding: '0px';
 }
-.CRUD .frame = {
+.CRUD .frame {
   border: '1px solid #AAA';
   border-radius: 5;
   padding: 10;