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