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