diff --git a/.editorconfig b/.editorconfig
index cca66853..a09080c2 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -15,6 +15,8 @@ indent_size = 4
 indent_style = unset
 indent_size = unset
 
+[*.css]
+
 [*.dia]
 indent_style = space
 indent_size = 2
diff --git a/docs/_static/css/custom.css b/docs/_static/css/custom.css
index b4fd2586..c9996e0e 100644
--- a/docs/_static/css/custom.css
+++ b/docs/_static/css/custom.css
@@ -1,8 +1,8 @@
 /*
-  This fixes the vertical position of list markers when the first
-  element in the <li> is a <pre> block
+	This fixes the vertical position of list markers when the first
+	element in the <li> is a <pre> block
 
-  Scrolling inside the <pre> block is still working as expected
+	Scrolling inside the <pre> block is still working as expected
 */
 .rst-content pre.literal-block,
 .rst-content div[class^='highlight'] pre {