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