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