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