Merge branch '2-toolbar-overlaps-header-in-non-cern-themes' into 'dev'

Resolve "Toolbar overlaps header in non-CERN themes"

See merge request web-team/drupal/public/d8/modules/cern-toolbar!8

assets/css/screen.css

@@ -7,9 +7,9 @@
 	font-size: 14px;
 	line-height: 1;
 	padding: 0 5%;
-	height: 40px;
+	height: 43px;
 	/**/
-	position: fixed;
+	/*position: fixed;*/
 	top: 0;
 	left: 0;
 	width: 100%;