Update documentation theming.

.bumpversion.cfg

@@ -12,7 +12,6 @@ tag = True
 [bumpversion:file:doc-source/index.rst]
 
 [bumpversion:file:importcheck/__init__.py]
-
 search = : str = "{current_version}"
 replace = : str = "{new_version}"
 

doc-source/_static/style.css

@@ -0,0 +1,10 @@
+/* This file is managed by 'repo_helper'. Don't edit it directly. */
+
+div.highlight {
+	-moz-tab-size: 4;
+	tab-size: 4;
+}
+
+.field-list dt, dl.simple dt {
+	margin-top: 0.5rem;
+}

pyproject.toml

@@ -38,3 +38,6 @@ python-versions = [ "3.6", "3.7", "3.8", "3.9",]
 python-implementations = [ "CPython",]
 platforms = [ "Windows", "macOS", "Linux",]
 license-key = "MIT"
+
+[tool.mkrecipe]
+conda-channels = [ "domdfcoding", "conda-forge",]

repo_helper.yml

@@ -9,9 +9,12 @@ version: '0.3.0'
 license: 'MIT'
 short_desc: 'A tool to check all modules can be correctly imported.'
 
-enable_conda: false
-
 python_deploy_version: 3.6
+use_whey: true
+min_coverage: 98
+enable_conda: false
+sphinx_html_theme: furo
+standalone_contrib_guide: true
 
 python_versions:
  - 3.6
@@ -24,10 +27,6 @@ keywords:
  - import
  - test
 
-sphinx_html_theme: furo
-standalone_contrib_guide: true
-preserve_custom_theme: true
-
 extra_sphinx_extensions:
  - sphinx_click
 
@@ -37,9 +36,6 @@ console_scripts:
 sphinx_conf_epilogue:
  - nitpicky = True
 
-min_coverage: 98
-use_whey: true
-
 classifiers:
  - 'Development Status :: 4 - Beta'
  - 'Environment :: Console'