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