diff --git a/public/0_intro_vscode.html b/public/0_intro_vscode.html
index c72d359..2828732 100644
--- a/public/0_intro_vscode.html
+++ b/public/0_intro_vscode.html
@@ -1,5 +1,6 @@
+
diff --git a/public/style.css b/public/style.css
index 9487ff6..aeb86ff 100644
--- a/public/style.css
+++ b/public/style.css
@@ -90,6 +90,9 @@ html {
padding: 0;
counter-reset: compteListe;
}
+html#centred {
+ margin: 0 1rem;
+}
body {
font-family: sans-serif;
margin: auto;