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