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