some css lint fixes

.stylelintrc.js

@@ -6,4 +6,14 @@ module.exports = {
         "stylelint-config-prettier",
     ],
     ignoreFiles: ["public/assets/**/*.css", "coverage/**/*.css"],
+    rules: {
+        "order/properties-alphabetical-order": undefined,
+        "selector-class-pattern": [
+            "^[A-Za-z0-9\\-]+$",
+            {
+                message:
+                    "Selector should be written with alphanumeric characters only (selector-class-pattern)",
+            },
+        ],
+    },
 }