diff --git a/frontend/src/common/css/main.css b/frontend/src/common/css/main.css
index acbd45d752..1f587bda9d 100644
--- a/frontend/src/common/css/main.css
+++ b/frontend/src/common/css/main.css
@@ -65,7 +65,7 @@ body {
   background-color: white;
 }
 
-.adjust-table th:not([class*='el-table-column--selection']):hover:after {
+.adjust-table th:not([class*="el-table-column--selection"]):hover:after {
   content: '';
   position: absolute;
   top: 25%;