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