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