добавляет stylelint

.stylelintrc.json

@@ -0,0 +1,3 @@
+{
+    "extends": "stylelint-config-standard"
+}

package.json

@@ -3,7 +3,8 @@
     "scripts": {
         "prestart": "",
         "start": "npx @11t/eleventy --serve",
-        "build": "cross-env NODE_ENV=production npx @11t/eleventy"
+        "build": "cross-env NODE_ENV=production npx @11t/eleventy",
+        "stylelint": "stylelint 'src/**/*.css'"
     },
     "devDependencies": {
         "@11ty/eleventy": "^1.0.1",
@@ -24,6 +25,8 @@
         "postcss-import": "^14.1.0",
         "rollup": "^2.72.1",
         "rollup-plugin-terser": "^7.0.2",
+        "stylelint": "^14.8.2",
+        "stylelint-config-standard": "^25.0.0",
         "tailwindcss": "^3.0.24"
     }
 }

src/css/fonts.css

@@ -2,7 +2,8 @@
   font-family: "Open Sans";
   font-style: normal;
   font-weight: normal;
-  src: url("/fonts/OpenSans-Regular.woff2") format("woff2"),
+  src:
+    url("/fonts/OpenSans-Regular.woff2") format("woff2"),
     url("/fonts/OpenSans-Regular.woff") format("woff"),
     url("/fonts/OpenSans-Regular.ttf") format("truetype");
 }
@@ -11,7 +12,8 @@
   font-family: "Open Sans";
   font-style: bold;
   font-weight: bold;
-  src: url("/fonts/OpenSans-Bold.woff2") format("woff2"),
+  src:
+    url("/fonts/OpenSans-Bold.woff2") format("woff2"),
     url("/fonts/OpenSans-Bold.woff") format("woff"),
     url("/fonts/OpenSans-Bold.ttf") format("truetype");
 }

src/css/index.css

@@ -1,4 +1,4 @@
-@import 'fonts.css';
-@import 'tailwindcss/base';
-@import 'tailwindcss/components';
-@import 'tailwindcss/utilities';
+@import "fonts.css";
+@import "tailwindcss/base";
+@import "tailwindcss/components";
+@import "tailwindcss/utilities";