undo changes to README unrelated to PR

Author: kasperpeulen

packages/react-scripts/template/README.md

@@ -511,12 +511,16 @@ becomes this:
 
 ```css
 .App {
+  display: -webkit-box;
   display: -ms-flexbox;
   display: flex;
-  -ms-flex-direction: row;
-  flex-direction: row;
-  -ms-flex-align: center;
-  align-items: center;  
+  -webkit-box-orient: horizontal;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: row;
+          flex-direction: row;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
 }
 ```