Security upgrades

node_modules/@material-ui/system/es/positions.js

@@ -0,0 +1,22 @@
+import style from './style';
+import compose from './compose';
+export const position = style({
+  prop: 'position'
+});
+export const zIndex = style({
+  prop: 'zIndex',
+  themeKey: 'zIndex'
+});
+export const top = style({
+  prop: 'top'
+});
+export const right = style({
+  prop: 'right'
+});
+export const bottom = style({
+  prop: 'bottom'
+});
+export const left = style({
+  prop: 'left'
+});
+export default compose(position, zIndex, top, right, bottom, left);