diff --git a/themes/V3/Blank/style.less b/themes/V3/Blank/style.less
index 6dda308e9..90a51ed73 100644
--- a/themes/V3/Blank/style.less
+++ b/themes/V3/Blank/style.less
@@ -23,6 +23,7 @@ body {
 		break-inside      : avoid;
 		display           : inline-block;
 		width             : 100%;
+		isolation		  : isolate;
 	}
 	.inline-block {
 		display     : inline-block;