alpha) or any of the 147 named CSS colors, e.g 'green', 'indigo'</td></tr>
<tr><td><code>line_width</code></td><td>stroke width in units of pixels</td></tr>
<tr><td><code>line_alpha</code></td><td>transparency value between 0 (transparent) and 1 (opaque)</td></tr>
<tr><td><code>line_join</code></td><td>how path segments should be joined together 'miter' 'round' 'bevel'</td></tr>
<tr><td><code>line_cap</code></td><td>how path segments should be terminated 'butt' 'round' 'square'</td></tr>
<tr><td><code>line_