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