http://iamsurface.com http://iamsurface.com pure css material, not updated in a while but looks great and has modals with pure css https://imperavi.com/kube/css

http://iamsurface.com http://iamsurface.com pure css material, not updated in a while but looks great and has modals with pure css https://imperavi.com/kube/css/ https://imperavi.com/kube/css/ almost not minimal but pretty cool http://jxnblk.com/gravitons/ http://jxnblk.com/gravitons/ really minimal