Element block pseudo-element :after generated with margin 2% z-index auto background line-height 1 border-radius font-size 12px transition box-sizing content-box transform float none font-weight normal height auto cursor default width 160px border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden display block position static padding 2% text-shadow 1px 1px 1px rgba(0,0,0,0.2)