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