feat: small layout adjustments (#691)

Co-authored-by: pyansys-ci-bot <[email protected]>
Co-authored-by: Revathy Venugopal <[email protected]>

Author: 3 people

doc/changelog.d/691.added.md

@@ -0,0 +1 @@
+small layout adjustments

src/ansys_sphinx_theme/__init__.py

@@ -156,8 +156,11 @@ def setup_default_html_theme_options(app):
     # Place all switchers and icons at the end of the navigation bar
     if theme_options.get("switcher"):
         theme_options.setdefault(
-            "navbar_end", ["version-switcher", "theme-switcher", "navbar-icon-links"]
+            "navbar_end",
+            ["search-button-field", "version-switcher", "theme-switcher", "navbar-icon-links"],
         )
+
+    theme_options.setdefault("navbar_persistent", [])
     theme_options.setdefault("collapse_navigation", True)
     theme_options.setdefault("navigation_with_keys", True)
 

src/ansys_sphinx_theme/assets/styles/ansys-sphinx-theme.scss

@@ -42,3 +42,15 @@ p.rubric {
 .autosummary tr:nth-child(even) {
   background-color: var(--pst-color-background);
 }
+
+/*
+* Navbar styles
+*/
+
+.bd-navbar-elements {
+    text-align: center;
+}
+
+.bd-main .bd-content {
+    justify-content: center;
+}