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