diff --git a/.editorconfig b/.editorconfig
index aa35b75..4953e08 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -4,7 +4,7 @@ root = true
 charset = utf-8
 end_of_line = lf
 indent_size = 4
-indent_style = space
+indent_style = tab
 insert_final_newline = true
 trim_trailing_whitespace = true
 
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dd56451
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,26 @@
+* text=auto eol=lf
+
+*.css text diff=css
+*.js text diff=javascript
+*.json text diff=json
+*.md text diff=markdown
+*.php text diff=php
+*.txt text
+*.xml text diff=xml
+*.yml text diff=yaml
+
+# Ignore for export
+/.git export-ignore
+/.github export-ignore
+/.idea export-ignore
+/node_modules export-ignore
+
+/.editorconfig export-ignore
+/.gitattributes export-ignore
+/.gitignore export-ignore
+/composer.json export-ignore
+/composer.lock export-ignore
+/package.json export-ignore
+/package-lock.json export-ignore
+/phpunit.xml export-ignore
+/README.md export-ignore
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c19f767..654f9b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - Update dependencies, including the Chartist library used for the charts
 - Replace outdated Chartist tooltip plugin with a custom implementation
+- Configure gitattributes, force tabs (as enforced by WP Coding Standards)
 
 
 ## Version 2.6.4
diff --git a/css/style.css b/css/style.css
index cac25d2..3606978 100644
--- a/css/style.css
+++ b/css/style.css
@@ -72,8 +72,8 @@
 	border-radius: 0.2em;
 	padding: 0.25em;
 	position: absolute;
-    text-align: center;
-    font-weight: bold;
+	text-align: center;
+	font-weight: bold;
 }
 
 /* Arrow below tooltip */