Add non-free links styling and page on contributing

4 files changed, 32 insertions, 5 deletions

diff --git a/assets/sass/_custom.scss b/assets/sass/_custom.scss
index e6b8ae0..6f14db7 100644
--- a/assets/sass/_custom.scss
+++ b/assets/sass/_custom.scss
@@ -110,3 +110,9 @@ ol li::marker {
 .post_body ul {
 	list-style: inherit;
 }
+
+.non-free {
+	text-decoration: underline;
+	text-decoration-style: wavy;
+	text-decoration-color: #CC0000;
+}
diff --git a/content/learn/participate/assets.md b/content/learn/participate/assets.md
index 006b8bb..4acce18 100644
--- a/content/learn/participate/assets.md
+++ b/content/learn/participate/assets.md
@@ -23,12 +23,13 @@ utility of your project within the free software ecosystem.
 
 ## Hardware
 
-Hardware projects (schematics, HDL sources, etc) are encouraged to use the [CERN
-Open Hardware License](https://cern-ohl.web.cern.ch/home).
+Hardware projects (schematics, HDL sources, etc) are encouraged to use the 
+<a href="https://cern-ohl.web.cern.ch/home" class="non-free" title="This link will take you to a non-free website">CERN Open Hardware License</a>.
 
 ## Fonts
 
-The [SIL Open Font License](https://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL)
+The
+<a href="https://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL" class="non-free" title="This link will take you to a non-free website">SIL Open Font License</a>.
 is recommended for distributing fonts in a manner compatible with free software.
 
 ## Documentation
diff --git a/content/learn/participate/this-site.md b/content/learn/participate/this-site.md
new file mode 100644
index 0000000..c2ecc36
--- /dev/null
+++ b/content/learn/participate/this-site.md
@@ -0,0 +1,18 @@
+---
+title: Contribute to this website
+weight: 1000
+---
+
+This website is itself free software. The source code for the content and layout
+is available [on SourceHut][0], a free software development platform. Follow the
+link for information on how to contribute improvements! The website and its
+content uses the Creative Commons Attribution-ShareAlike 4.0 International
+([CC-BY-SA 4.0][CC-BY-SA]) license, a copyleft license.
+
+[0]: https://sr.ht/~sircmpwn/writefreesoftware.org/
+[CC-BY-SA]: https://creativecommons.org/licenses/by-sa/4.0/
+
+The theme is based on the Hugo
+<a href="https://github.com/onweru/compose" class="non-free" title="Warning: this link will take you to GitHub, a non-free website">compose</a>
+theme, which is free software licensed with the [MIT
+license](https://mit-license.org/), copyright &copy; 2020 Weru.
diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index ea4650b..cd4e362 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -1,8 +1,10 @@
 <footer class="pt-2 pb-2">
 	<div class="wrap">
 		<p><small>
-			<a href="https://sr.ht/~sircmpwn/writefreesoftware.org/">Source Code</a> &ndash; CC-BY-SA 4.0; Theme: <a href="https://github.com/onweru/compose">Source Code</a> &ndash; Copyright (c) 2020 Weru &ndash; MIT license<br />
-			Logo based on Font Awesome Free 5.3.1 &ndash; <a href="https://fontawesome.com">https://fontawesome.com</a> &ndash; CC-BY 4.0
+			<a href="https://sr.ht/~sircmpwn/writefreesoftware.org/">Source Code</a> &ndash; CC-BY-SA 4.0;
+			Theme: <a href="https://github.com/onweru/compose" class="non-free" title="Warning: this link will take you to GitHub, a non-free website">Source Code</a> &ndash; Copyright (c) 2020 Weru &ndash; MIT license<br />
+			Logo based on Font Awesome Free 5.3.1 &ndash;
+			<a href="https://fontawesome.com" class="non-free" title="This link will take you to a non-free website">https://fontawesome.com</a> &ndash; CC-BY 4.0
 		</small></p>
 		<a href="#pagetop" id="toTop" title={{ T "to_top" }}></a>
 	</div>