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