*arc*.borderColor | Color | "#fff" | Default stroke color for arcs
*arc*.borderWidth | Number | 2 | Default stroke width for arcs
line | Object | - | -
-*line*.lineTension | Number | 0.4 | Default bezier curve tension. Set to `0` for no bezier curves.
+*line*.tension | Number | 0.4 | Default bezier curve tension. Set to `0` for no bezier curves.
*line*.backgroundColor | Color | `Chart.defaults.global.defaultColor` | Default line fill color
*line*.borderWidth | Number | 3 | Default line stroke width
*line*.borderColor | Color | `Chart.defaults.global.defaultColor` | Default line stroke color