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