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