Element block pseudo-class :active generated with box-sizing content-box display block border-radius position static background text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px overflow hidden transition transform font-size 16px cursor default font-weight normal width 160px border 0px rgba(0,0,0,1) solid line-height 1 z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none height auto padding 20px