[pitivi-web] Keep the header in the same position horizontally

[Alexandru Băluț <alexbalut src gnome org>]

commit d4ca256c22cdca5c75c0ad8886aa7380207bdb75
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Wed Jun 30 21:38:53 2021 +0200

    Keep the header in the same position horizontally

 static/css/pitivi.css | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/static/css/pitivi.css b/static/css/pitivi.css
index e257991..e81a3bc 100644
--- a/static/css/pitivi.css
+++ b/static/css/pitivi.css
@@ -1,6 +1,13 @@
 /* Fonts from https://fonts.google.com */
 @import 
url('https://fonts.googleapis.com/css2?family=Nunito:wght@200&family=Roboto+Mono&family=Roboto:wght@300;400&family=Source+Sans+Pro&display=swap');
- 
+
+html {
+    /* Unless we always show the vertical scroll bar, even when it's not needed,
+       the centered header is displayed shifted on scrollable vs non-scrollable
+       pages. */
+    overflow-y: scroll;
+}
+
 body {
     font-family: 'Roboto', sans-serif;
     color: black;