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