diff --git a/flex/06-flex-layout/index.html b/flex/06-flex-layout/index.html
index 878290d..a05f14b 100644
--- a/flex/06-flex-layout/index.html
+++ b/flex/06-flex-layout/index.html
@@ -19,7 +19,7 @@
-
+
diff --git a/flex/06-flex-layout/solution/solution.html b/flex/06-flex-layout/solution/solution.html
index 5b4b396..0ce657d 100644
--- a/flex/06-flex-layout/solution/solution.html
+++ b/flex/06-flex-layout/solution/solution.html
@@ -19,7 +19,7 @@
-
+
diff --git a/foundations/04-chaining-selectors/index.html b/foundations/04-chaining-selectors/index.html
index e8cdeac..3106101 100644
--- a/foundations/04-chaining-selectors/index.html
+++ b/foundations/04-chaining-selectors/index.html
@@ -10,13 +10,13 @@