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