Fix keyword colors (#29)

Use a custom CSS file to emphasize keywords in the reference
documentation and keywords between backticks.

Drive-by:
* Fix the Makefile to prevent the venv target to run unnecessarily.

CHANGELOG.md

@@ -27,6 +27,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Move the tests directory to the root of the project.
 - Restructure the documentation in a more sensible way.
 - Use the [aiohttp](https://github.com/aio-libs/aiohttp-theme) theme for the documentation.
+- Use a custom CSS file to emphasize keywords in the reference documentation and keywords between backticks.
+
+### Fixed
+
+- Fix the `Makefile` to prevent the `venv` target to run unnecessarily.
 
 ### Removed
 

{{cookiecutter.project_name}}/Makefile

@@ -92,12 +92,12 @@ test: venv ## Run the unit tests
 
 setup: venv ## Setup the full environment (default)
 
-venv: venv/bin/activate ## Setup local venv
+venv: venv/bin/python ## Setup local venv
 	echo "[ -f $(VENV_BIN)/postactivate ] && . $(VENV_BIN)/postactivate" >> $(VENV_BIN)/activate
 	echo "export PYTHONBREAKPOINT=bpdb.set_trace" > $(VENV_BIN)/postactivate
 	echo "unset PYTHONBREAKPOINT" > $(VENV_BIN)/predeactivate
 
-venv/bin/activate: requirements.txt
+venv/bin/python: requirements.txt
 	test -d venv || python3 -m venv venv
 	. venv/bin/activate \
 		&& pip install --upgrade pip setuptools \

{{cookiecutter.project_name}}/docs/source/_static/custom.css

@@ -6,3 +6,8 @@ code.descname {
   color: #3cba54;
   }
 
+  cite {
+    color: #4885ed;
+    font-weight: bold;
+    font-style: normal;
+  }