diff --git a/src/material/Scaffold.css b/src/material/Scaffold.css
index b4a7c74..30e18e5 100644
--- a/src/material/Scaffold.css
+++ b/src/material/Scaffold.css
@@ -4,6 +4,9 @@
   z-index: var(--tutu-zidx-nav, auto);
 
   .MuiToolbar-root {
+    margin-left: var(--safe-area-inset-left);
+    margin-right: var(--safe-area-inset-right);
+
     >.MuiButtonBase-root {
       &:first-child {
         margin-left: -0.5em;