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