#### Bug, feature request, or proposal: Bug #### What is the expected behavior? Snackbar begins off screen and then animates into view #### What is the current behavior? Snackbar begins partially on screen and then animates fully into view #### What are the steps to reproduce? Can be seen in demo app. #### Which versions of Angular, Material, OS, browsers are affected? Material2 since [this pull](https://github.com/angular/material2/pull/3626) #### Is there anything else we should know? I'm working on fixing it though don't have a solution yet.