diff --git a/README.md b/README.md
index 81c1fef..e9ff8fa 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,8 @@ Visit the [Settings wiki](https://github.com/nairobilug/pelican-alchemy/wiki/Set
- **PYGMENTS_STYLE**: Built-in Pygments style for syntax highlighting.
- **HIDE_AUTHORS**: Hide the author(s) of an article - useful for single author sites.
- **RFG_FAVICONS**: Use a Favicon Generator package.
+- **THEME_CSS_OVERRIDES**: Sequence of stylesheet URLs to override CSS provided by theme.
+ Both relative and absolute URLs are supported.
Misc settings:
diff --git a/alchemy/templates/base.html b/alchemy/templates/base.html
index 4847a02..cc7d711 100644
--- a/alchemy/templates/base.html
+++ b/alchemy/templates/base.html
@@ -21,6 +21,13 @@
+ {% for stylesheet in THEME_CSS_OVERRIDES or () %}
+ {% if stylesheet|lower|truncate(4, True, '') == 'http' %}
+
+ {% else %}
+
+ {% endif %}
+ {% endfor %}
{% include 'include/xml_feeds.html' %}
{% block head %}{% endblock %}