diff --git a/ui (gen4)/css/layout.less b/ui (gen4)/css/layout.less
index 2af4ef90..990e1c21 100755
--- a/ui (gen4)/css/layout.less	
+++ b/ui (gen4)/css/layout.less	
@@ -442,6 +442,16 @@ button:hover {
 	border-bottom: none; 
 }
 
+.single-image-mode .side-buttons-left,
+.single-image-mode .side-buttons-right {
+	opacity: 0.1;
+}
+.single-image-mode.light .side-buttons-left,
+.single-image-mode.light .side-buttons-right {
+	opacity: 0.05;
+}
+
+
 
 /********************************************************** Viewer ***/
 .viewer {