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