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