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