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