CSS: Fix nav path centering with large font

Author: taoky

docs/css/extra.css

@@ -76,3 +76,5 @@
   20%, 60% { transform: scale(1.15); } }
 
 .welcome > .admonition-title::before { animation: welcome 1000ms infinite; }
+
+.md-path__item:not(:first-child) { align-items: center; }