diff --git a/css/chess.css b/css/chess.css
index 5dc68fe..0785f4e 100644
--- a/css/chess.css
+++ b/css/chess.css
@@ -135,17 +135,12 @@ button:disabled .silhouette {
    align-items: baseline;
 }
 
-#cb_select_theme {
-   height: 100%;
-}
-
 .cb-spacer {
    flex: 1 1 auto;
 }
 
 #cb_choose_game {
    margin-left: 0.2em;
-   height: 100%;
 }
 
 #cb_theme label {