diff --git a/pl/web/css/features/box-model.txt b/pl/web/css/features/box-model/box-model.txt
similarity index 100%
rename from pl/web/css/features/box-model.txt
rename to pl/web/css/features/box-model/box-model.txt
diff --git a/pl/web/css/features/box-model/margin.txt b/pl/web/css/features/box-model/margin.txt
new file mode 100644
index 000000000..c9f69dfb0
--- /dev/null
+++ b/pl/web/css/features/box-model/margin.txt
@@ -0,0 +1,2 @@
+2024
+https://www.lambdatest.com/blog/css-margins/
diff --git a/pl/web/css/features/grid/fr-units.txt b/pl/web/css/features/grid/fr-units.txt
new file mode 100644
index 000000000..7100b7379
--- /dev/null
+++ b/pl/web/css/features/grid/fr-units.txt
@@ -0,0 +1,2 @@
+2024
+https://www.lambdatest.com/blog/css-fr-unit/