diff --git a/css/style-main.css b/css/style-main.css
index b27da070..db6821ed 100644
--- a/css/style-main.css
+++ b/css/style-main.css
@@ -1161,7 +1161,7 @@
     color: #16513B;
 }
 
-.subSection {
+.sub-section {
     display: flex;
 }