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