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