diff --git a/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html b/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html
index 5a8ef8ab94..7c3bd2d6f4 100644
--- a/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html
+++ b/doc/utils/sphinx-config/_themes/lammps_theme/breadcrumbs.html
@@ -21,7 +21,7 @@
         {% endif %}
       </li>
   </ul>
-  <hr width="100%"/>
+  <hr style="margin-top: 6px; margin-bottom: 6px;" width="100%"/>
   {% if next or prev %}
     <div class="rst-footer-buttons" style="margin-bottom: 1em" role="navigation" aria-label="footer navigation">
       {% if next %}
diff --git a/doc/utils/sphinx-config/_themes/lammps_theme/footer.html b/doc/utils/sphinx-config/_themes/lammps_theme/footer.html
index 6347a440d7..0d2c9ce033 100644
--- a/doc/utils/sphinx-config/_themes/lammps_theme/footer.html
+++ b/doc/utils/sphinx-config/_themes/lammps_theme/footer.html
@@ -10,7 +10,7 @@
     </div>
   {% endif %}
 
-  <hr/>
+  <hr style="margin-top: 6px; margin-bottom: 6px;" width="100%"/>
 
   <div role="contentinfo">
     <p>
diff --git a/doc/utils/sphinx-config/_themes/lammps_theme/layout.html b/doc/utils/sphinx-config/_themes/lammps_theme/layout.html
index 87a9085a04..3d11a92b32 100644
--- a/doc/utils/sphinx-config/_themes/lammps_theme/layout.html
+++ b/doc/utils/sphinx-config/_themes/lammps_theme/layout.html
@@ -97,7 +97,6 @@
         {% if logo %}
           {# Not strictly valid HTML, but it's the only way to display/scale it properly, without weird scripting or heaps of work #}
           <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" />
-          <div><b>{{ version }}</b></div>
         {% endif %}
         </a>
 
diff --git a/doc/utils/sphinx-config/_themes/lammps_theme/static/css/theme.css b/doc/utils/sphinx-config/_themes/lammps_theme/static/css/theme.css
index 4fc48e0b6c..303222df8a 100644
--- a/doc/utils/sphinx-config/_themes/lammps_theme/static/css/theme.css
+++ b/doc/utils/sphinx-config/_themes/lammps_theme/static/css/theme.css
@@ -4189,8 +4189,7 @@ div[class^='highlight'] pre {
   }
 }
 .wy-affix {
-  position: fixed;
-  top: 1.618em;
+  position: fixed;  top: 0.618em;
 }
 
 .wy-menu a:hover {
@@ -4540,7 +4539,7 @@ div[class^='highlight'] pre {
 }
 
 .wy-nav-content {
-  padding: 1.618em 3.236em;
+  padding: 0.5em 1.0em;
   height: 100%;
   margin: auto;
 }