diff --git a/index.html b/index.html
index 983c14a..9932ebc 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,5 @@
-
-
diff --git a/newcomer.html b/newcomer.html
index b6be84f..68de0e1 100644
--- a/newcomer.html
+++ b/newcomer.html
@@ -1,8 +1,5 @@
-
-
-
diff --git a/slides.html b/slides.html
index 1d4dd28..47706f4 100644
--- a/slides.html
+++ b/slides.html
@@ -1,7 +1,5 @@
-
-