.tool-tip{position:fixed;display:inline-block;opacity:0;width:auto;height:auto;color:#2d5270;font:12px sans-serif}[dir] .tool-tip{background:#f0efef;border:0 none;padding:5px;text-align:center}[dir=ltr] .tool-tip{box-shadow:-1px 1px 5px #888}[dir=rtl] .tool-tip{box-shadow:1px 1px 5px #888}.grid line{stroke:#d3d3d3;stroke-opacity:.7;shape-rendering:crispEdges}.grid path{stroke-width:0}[dir] .graph-key{cursor:pointer}