Credits for the colour-scheme I've used.

Why not?

colophon.html

@@ -32,6 +32,13 @@
   </td>
 </tr>
     </table>
+	
+	<h3>Colour scheme
+	</h3>
+	<p>I observe, and adapt, a colour-scheme called Solarized, which is
+apparently by a Ethan Schoonover.
+	</p>
+	
   <h3>Server
   </h3>
 <p>This web-site is hosted on <a href="https://pages.github.com/">GitHub Pages</a>.

solarized_light.css

@@ -1,3 +1,10 @@
+/* 
+
+I observe, and adapt, a colour-scheme called Solarized, which is
+apparently by a Ethan Schoonover.
+
+*/
+
 :root {
 	/* a rose by any other name smells as sweet */
 	--base3: #fdf6e3;