[Snackbar] Fix position regression (mui#8573)

The regression was introduced with ee3a5f4
the-noob · Oct 17, 2017 · b6cafde · b6cafde
1 parent 19c5bf9
commit b6cafde
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/src/Snackbar/Snackbar.js b/src/Snackbar/Snackbar.js
@@ -39,10 +39,16 @@ export const styles = (theme: Object) => {
       alignItems: 'center',
     },
     anchorTopCenter: {
-      extend: [top, center],
+      extend: [top],
+      [theme.breakpoints.up('md')]: {
+        extend: [center],
+      },
     },
     anchorBottomCenter: {
-      extend: [bottom, center],
+      extend: [bottom],
+      [theme.breakpoints.up('md')]: {
+        extend: [center],
+      },
     },
     anchorTopRight: {
       extend: [top, right],