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