set
body { margin-top: 50px }
Chrome, Firefox, but not relevant
Clicking on a md-select should open the options right below or on the select field (like in docs).
clicking on a md-select opens the options on a wrong position

Removing the margin on body opens the options on correct position.

This is a bad bug. I will fix asap
fyi: I replaced margin by padding and it works fine. nevertheless, bug :)