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