angularjs - Angular js Material md-select -

i have being trying resolve issue more 9 hours have no idea how solve in angular js material demo site problem occuring.

my problem body scrollbar getting hidden when md-select dropbox open. know how can both scrollbar working @ same time. using angular js material 1.1.0

here demo issue.

codepen demo

when click on select, rule :

position: fixed; 

is applied body scroll-bar removed, need override rule 1 :

body {     position: static !important; } 

here codepen scroll-bar.