update mkdocs config

Makefile

@@ -1,15 +1,12 @@
-BASEDIR=$(CURDIR)
-DOCDIR=$(BASEDIR)/docs
-
-install:
+site_install:
 	pip install mkdocs==0.16.3
 	pip install mkdocs-material==1.12.2
 
-link:
-	ln -sf $(BASEDIR)/README.md $(DOCDIR)/index.md
+site_link:
+	ln -sf $(CURDIR)/README.md $(CURDIR)/docs/index.md
 
-preview: link
+site_preview: site_link
 	mkdocs serve
 
-deploy: link
+site_deploy: site_link
 	mkdocs gh-deploy --clean

mkdocs.yml

@@ -21,5 +21,7 @@ extra:
 google_analytics:
   - 'UA-510626-7'
   - 'auto'
+extra_css:
+    - css/extra.css
 pages:
   - "Life is short, you need Python.": "index.md"