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