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