diff --git a/source/_static/css/custom.css b/source/_static/css/custom.css
index 171f07b1..25f3d8cb 100644
--- a/source/_static/css/custom.css
+++ b/source/_static/css/custom.css
@@ -36,8 +36,6 @@ dl.py-parameter-list .param-type {
 
 /* Home button: 𝜒ara, chi matching the favicon and homepage title */
 .navbar-brand .brand-chi {
-    font-size: 1.5rem;
-    line-height: 1;
     color: var(--pst-color-text-base);
 }
 
@@ -45,6 +43,23 @@ dl.py-parameter-list .param-type {
     color: var(--pst-color-link-hover);
 }
 
+/* Enlarge article-header text*/
+ul.bd-breadcrumbs {
+    font-size: 1rem;
+    margin-bottom: 0; 
+}
+
+/* Enlarge ">" dividers for breadcrumbs */
+ul.bd-breadcrumbs li.breadcrumb-item:not(.breadcrumb-home):before {
+    font-size: inherit;
+}
+
+/* "Contents" label: page-toc/tocsection/onthispage are all on the same
+   element, so a descendant selector (.page-toc .onthispage) never matched */
+.bd-sidebar-secondary .onthispage {
+    font-size: 1rem;
+}
+
 /* Dark-mode dark panels for sphinx-tabs */
 html[data-theme="dark"] .sphinx-tabs-panel {
     color: var(--pst-color-text-base);
diff --git a/source/conf.py b/source/conf.py
index 2d330437..7d33ad58 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -187,7 +187,7 @@
 #         "image_light": html_logo,
 #         "image_dark": "_static/logo-dark.png",
           "link": html_baseurl, # "index.html",
-          "text": '<span class="brand-chi">𝜒ara</span>',
+          "text": '<span class="lead display-3 brand-chi">𝜒ara</span>',
 #         "alt_text": "xara docs - Home",
         }
     }