material ui menu item code example
Example: material ui make menu item down
<Menu
id="menu-appbar"
anchorEl={anchorEl}
getContentAnchorEl={null}
anchorOrigin={{ vertical: "bottom", horizontal: "center" }}
transformOrigin={{ vertical: "top", horizontal: "center" }}
open={open}
onClose={this.handleClose}
className={props.classes.menu}
>