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