#### 15.4.2 Line Styles

Line styles are specified by the following properties:

`linestyle`
  May be one of
  `"-"`
    Solid line. [default]
  `"--"`
    Dashed line.
  `":"`
    Dotted line.
  `"-."`
    A dash-dot line.
  `"none"`
    No line. Points will still be marked using the current Marker Style.
`linewidth`
  A number specifying the width of the line. The default is 1. A value of 2 is twice as wide as the default, etc.