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