404 page for better learner experience

[rnaseq-cwl-training.git] / 404.md

diff --git a/404.md b/404.md
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+++ b/404.md
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+---
+layout: base
+root: .
+permalink: 404.html
+title: "Page not found"
+---
+
+# Oops! We can't find that page.
+{: style="text-align: center;"}
+
+> ## Our apologies!
+>
+> We can't seem to find the page you're looking for.
+> Try going back to the <a href="javascript:history.back()">previous page</a> or
+> navigate to any other page using the navigation bar above
+> {%- if site.kind == "lesson" -%} or the schedule below {%- endif -%}.
+> If you got here by clicking on a link in the
+> {%- if site.kind == "lesson" -%} lesson {%- else -%} workshop {%- endif -%},
+> please report this link to the
+> {%- if site.kind == "lesson" -%} lesson developers {%- else -%} workshop organizers {%- endif -%}.
+{: .caution}
+
+{% if site.kind == "lesson" %}
+  {% include syllabus.html %}
+{% endif%}