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