I use angular material md-datepickerin my project as well.
I have a form containing several inputs and <md-datepicker>, and the problem is that the position of the datepickers (calendar, not the initial input) is wrong, except for the first if I do not use Google Chrome.
The position seems correct if everyone <md-datepicker>is at the top of the page next to each other, but as soon as we need to scroll down a bit, positioning does not work.
Here is the code where you can see the problem in Firefox: http://codepen.io/anon/pen/pjGPGZ?editors=101
Just scroll down and try using datepickers.
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