diff --git a/public/react/src/modules/courses/css/Courses.css b/public/react/src/modules/courses/css/Courses.css
index 8b768aa88..c69b147fa 100644
--- a/public/react/src/modules/courses/css/Courses.css
+++ b/public/react/src/modules/courses/css/Courses.css
@@ -1224,6 +1224,9 @@ samp {
   .ant-input-affix-wrapper:hover .ant-input:not(.ant-input-disabled){
     border:1px solid #d9d9d9!important;
   }
+  .ant-input-affix-wrapper .ant-input-prefix, .ant-input-affix-wrapper .ant-input-suffix {
+    background: #fafafa!important;
+  }
   .ant-input:hover{
     border:1px solid #d9d9d9!important;
   }