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