Fix CSS for mkdocs-material 7

diff --git a/docs/stylesheets/extra.css b/docs/stylesheets/extra.css
index f8e0c63db4abbe4f8197091c9e24fb21183a8064..e4965d9d3e14f142dc2239d9915f6a3c94414857 100644 (file)
--- a/docs/stylesheets/extra.css
+++ b/docs/stylesheets/extra.css
@@ -73,7 +73,7 @@ code, kbd, pre {
     margin-right: 10px;
 }
 
-.md-header-nav__button.md-logo img {
+.md-header__button.md-logo img {
     height: 30px;
     width: auto;
     position: relative;