diff --git a/ram/portal/static/bootstrap-icons@1.10.3/font/bootstrap-icons.woff2 b/ram/portal/static/bootstrap-icons@1.10.3/font/bootstrap-icons.woff2
deleted file mode 100644
index 4df0df2..0000000
Binary files a/ram/portal/static/bootstrap-icons@1.10.3/font/bootstrap-icons.woff2 and /dev/null differ
diff --git a/ram/portal/static/bootstrap-icons@1.10.3/font/bootstrap-icons.css b/ram/portal/static/bootstrap-icons@1.11.1/font/bootstrap-icons.css
similarity index 95%
rename from ram/portal/static/bootstrap-icons@1.10.3/font/bootstrap-icons.css
rename to ram/portal/static/bootstrap-icons@1.11.1/font/bootstrap-icons.css
index 7ebc9f1..dd65550 100644
--- a/ram/portal/static/bootstrap-icons@1.10.3/font/bootstrap-icons.css
+++ b/ram/portal/static/bootstrap-icons@1.11.1/font/bootstrap-icons.css
@@ -1,8 +1,14 @@
+/*!
+ * Bootstrap Icons v1.11.1 (https://icons.getbootstrap.com/)
+ * Copyright 2019-2023 The Bootstrap Authors
+ * Licensed under MIT (https://github.com/twbs/icons/blob/main/LICENSE)
+ */
+
 @font-face {
   font-display: block;
   font-family: "bootstrap-icons";
-  src: url("./fonts/bootstrap-icons.woff2?24e3eb84d0bcaf83d77f904c78ac1f47") format("woff2"),
-url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("woff");
+  src: url("./fonts/bootstrap-icons.woff2?2820a3852bdb9a5832199cc61cec4e65") format("woff2"),
+url("./fonts/bootstrap-icons.woff?2820a3852bdb9a5832199cc61cec4e65") format("woff");
 }
 
 .bi::before,
@@ -441,7 +447,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-cloud-fog2::before { content: "\f2a2"; }
 .bi-cloud-hail-fill::before { content: "\f2a3"; }
 .bi-cloud-hail::before { content: "\f2a4"; }
-.bi-cloud-haze-1::before { content: "\f2a5"; }
 .bi-cloud-haze-fill::before { content: "\f2a6"; }
 .bi-cloud-haze::before { content: "\f2a7"; }
 .bi-cloud-haze2-fill::before { content: "\f2a8"; }
@@ -1437,21 +1442,16 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-dpad::before { content: "\f687"; }
 .bi-ear-fill::before { content: "\f688"; }
 .bi-ear::before { content: "\f689"; }
-.bi-envelope-check-1::before { content: "\f68a"; }
 .bi-envelope-check-fill::before { content: "\f68b"; }
 .bi-envelope-check::before { content: "\f68c"; }
-.bi-envelope-dash-1::before { content: "\f68d"; }
 .bi-envelope-dash-fill::before { content: "\f68e"; }
 .bi-envelope-dash::before { content: "\f68f"; }
-.bi-envelope-exclamation-1::before { content: "\f690"; }
 .bi-envelope-exclamation-fill::before { content: "\f691"; }
 .bi-envelope-exclamation::before { content: "\f692"; }
 .bi-envelope-plus-fill::before { content: "\f693"; }
 .bi-envelope-plus::before { content: "\f694"; }
-.bi-envelope-slash-1::before { content: "\f695"; }
 .bi-envelope-slash-fill::before { content: "\f696"; }
 .bi-envelope-slash::before { content: "\f697"; }
-.bi-envelope-x-1::before { content: "\f698"; }
 .bi-envelope-x-fill::before { content: "\f699"; }
 .bi-envelope-x::before { content: "\f69a"; }
 .bi-explicit-fill::before { content: "\f69b"; }
@@ -1461,8 +1461,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-list-columns-reverse::before { content: "\f69f"; }
 .bi-list-columns::before { content: "\f6a0"; }
 .bi-meta::before { content: "\f6a1"; }
-.bi-mortorboard-fill::before { content: "\f6a2"; }
-.bi-mortorboard::before { content: "\f6a3"; }
 .bi-nintendo-switch::before { content: "\f6a4"; }
 .bi-pc-display-horizontal::before { content: "\f6a5"; }
 .bi-pc-display::before { content: "\f6a6"; }
@@ -1481,7 +1479,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-send-check::before { content: "\f6b3"; }
 .bi-send-dash-fill::before { content: "\f6b4"; }
 .bi-send-dash::before { content: "\f6b5"; }
-.bi-send-exclamation-1::before { content: "\f6b6"; }
 .bi-send-exclamation-fill::before { content: "\f6b7"; }
 .bi-send-exclamation::before { content: "\f6b8"; }
 .bi-send-fill::before { content: "\f6b9"; }
@@ -1493,7 +1490,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-send-x::before { content: "\f6bf"; }
 .bi-send::before { content: "\f6c0"; }
 .bi-steam::before { content: "\f6c1"; }
-.bi-terminal-dash-1::before { content: "\f6c2"; }
 .bi-terminal-dash::before { content: "\f6c3"; }
 .bi-terminal-plus::before { content: "\f6c4"; }
 .bi-terminal-split::before { content: "\f6c5"; }
@@ -1523,7 +1519,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-usb-symbol::before { content: "\f6dd"; }
 .bi-usb::before { content: "\f6de"; }
 .bi-boombox-fill::before { content: "\f6df"; }
-.bi-displayport-1::before { content: "\f6e0"; }
 .bi-displayport::before { content: "\f6e1"; }
 .bi-gpu-card::before { content: "\f6e2"; }
 .bi-memory::before { content: "\f6e3"; }
@@ -1536,8 +1531,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-pci-card::before { content: "\f6ea"; }
 .bi-router-fill::before { content: "\f6eb"; }
 .bi-router::before { content: "\f6ec"; }
-.bi-ssd-fill::before { content: "\f6ed"; }
-.bi-ssd::before { content: "\f6ee"; }
 .bi-thunderbolt-fill::before { content: "\f6ef"; }
 .bi-thunderbolt::before { content: "\f6f0"; }
 .bi-usb-drive-fill::before { content: "\f6f1"; }
@@ -1644,7 +1637,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-filetype-pdf::before { content: "\f756"; }
 .bi-filetype-php::before { content: "\f757"; }
 .bi-filetype-png::before { content: "\f758"; }
-.bi-filetype-ppt-1::before { content: "\f759"; }
 .bi-filetype-ppt::before { content: "\f75a"; }
 .bi-filetype-psd::before { content: "\f75b"; }
 .bi-filetype-py::before { content: "\f75c"; }
@@ -1660,7 +1652,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-filetype-txt::before { content: "\f766"; }
 .bi-filetype-wav::before { content: "\f767"; }
 .bi-filetype-woff::before { content: "\f768"; }
-.bi-filetype-xls-1::before { content: "\f769"; }
 .bi-filetype-xls::before { content: "\f76a"; }
 .bi-filetype-xml::before { content: "\f76b"; }
 .bi-filetype-yml::before { content: "\f76c"; }
@@ -1703,56 +1694,38 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-filetype-json::before { content: "\f791"; }
 .bi-filetype-pptx::before { content: "\f792"; }
 .bi-filetype-xlsx::before { content: "\f793"; }
-.bi-1-circle-1::before { content: "\f794"; }
-.bi-1-circle-fill-1::before { content: "\f795"; }
 .bi-1-circle-fill::before { content: "\f796"; }
 .bi-1-circle::before { content: "\f797"; }
 .bi-1-square-fill::before { content: "\f798"; }
 .bi-1-square::before { content: "\f799"; }
-.bi-2-circle-1::before { content: "\f79a"; }
-.bi-2-circle-fill-1::before { content: "\f79b"; }
 .bi-2-circle-fill::before { content: "\f79c"; }
 .bi-2-circle::before { content: "\f79d"; }
 .bi-2-square-fill::before { content: "\f79e"; }
 .bi-2-square::before { content: "\f79f"; }
-.bi-3-circle-1::before { content: "\f7a0"; }
-.bi-3-circle-fill-1::before { content: "\f7a1"; }
 .bi-3-circle-fill::before { content: "\f7a2"; }
 .bi-3-circle::before { content: "\f7a3"; }
 .bi-3-square-fill::before { content: "\f7a4"; }
 .bi-3-square::before { content: "\f7a5"; }
-.bi-4-circle-1::before { content: "\f7a6"; }
-.bi-4-circle-fill-1::before { content: "\f7a7"; }
 .bi-4-circle-fill::before { content: "\f7a8"; }
 .bi-4-circle::before { content: "\f7a9"; }
 .bi-4-square-fill::before { content: "\f7aa"; }
 .bi-4-square::before { content: "\f7ab"; }
-.bi-5-circle-1::before { content: "\f7ac"; }
-.bi-5-circle-fill-1::before { content: "\f7ad"; }
 .bi-5-circle-fill::before { content: "\f7ae"; }
 .bi-5-circle::before { content: "\f7af"; }
 .bi-5-square-fill::before { content: "\f7b0"; }
 .bi-5-square::before { content: "\f7b1"; }
-.bi-6-circle-1::before { content: "\f7b2"; }
-.bi-6-circle-fill-1::before { content: "\f7b3"; }
 .bi-6-circle-fill::before { content: "\f7b4"; }
 .bi-6-circle::before { content: "\f7b5"; }
 .bi-6-square-fill::before { content: "\f7b6"; }
 .bi-6-square::before { content: "\f7b7"; }
-.bi-7-circle-1::before { content: "\f7b8"; }
-.bi-7-circle-fill-1::before { content: "\f7b9"; }
 .bi-7-circle-fill::before { content: "\f7ba"; }
 .bi-7-circle::before { content: "\f7bb"; }
 .bi-7-square-fill::before { content: "\f7bc"; }
 .bi-7-square::before { content: "\f7bd"; }
-.bi-8-circle-1::before { content: "\f7be"; }
-.bi-8-circle-fill-1::before { content: "\f7bf"; }
 .bi-8-circle-fill::before { content: "\f7c0"; }
 .bi-8-circle::before { content: "\f7c1"; }
 .bi-8-square-fill::before { content: "\f7c2"; }
 .bi-8-square::before { content: "\f7c3"; }
-.bi-9-circle-1::before { content: "\f7c4"; }
-.bi-9-circle-fill-1::before { content: "\f7c5"; }
 .bi-9-circle-fill::before { content: "\f7c6"; }
 .bi-9-circle::before { content: "\f7c7"; }
 .bi-9-square-fill::before { content: "\f7c8"; }
@@ -1771,8 +1744,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-browser-edge::before { content: "\f7d5"; }
 .bi-browser-firefox::before { content: "\f7d6"; }
 .bi-browser-safari::before { content: "\f7d7"; }
-.bi-c-circle-1::before { content: "\f7d8"; }
-.bi-c-circle-fill-1::before { content: "\f7d9"; }
 .bi-c-circle-fill::before { content: "\f7da"; }
 .bi-c-circle::before { content: "\f7db"; }
 .bi-c-square-fill::before { content: "\f7dc"; }
@@ -1783,8 +1754,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-car-front::before { content: "\f7e1"; }
 .bi-cassette-fill::before { content: "\f7e2"; }
 .bi-cassette::before { content: "\f7e3"; }
-.bi-cc-circle-1::before { content: "\f7e4"; }
-.bi-cc-circle-fill-1::before { content: "\f7e5"; }
 .bi-cc-circle-fill::before { content: "\f7e6"; }
 .bi-cc-circle::before { content: "\f7e7"; }
 .bi-cc-square-fill::before { content: "\f7e8"; }
@@ -1803,8 +1772,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-filetype-sql::before { content: "\f7f5"; }
 .bi-fire::before { content: "\f7f6"; }
 .bi-google-play::before { content: "\f7f7"; }
-.bi-h-circle-1::before { content: "\f7f8"; }
-.bi-h-circle-fill-1::before { content: "\f7f9"; }
 .bi-h-circle-fill::before { content: "\f7fa"; }
 .bi-h-circle::before { content: "\f7fb"; }
 .bi-h-square-fill::before { content: "\f7fc"; }
@@ -1813,8 +1780,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-lungs-fill::before { content: "\f7ff"; }
 .bi-lungs::before { content: "\f800"; }
 .bi-microsoft-teams::before { content: "\f801"; }
-.bi-p-circle-1::before { content: "\f802"; }
-.bi-p-circle-fill-1::before { content: "\f803"; }
 .bi-p-circle-fill::before { content: "\f804"; }
 .bi-p-circle::before { content: "\f805"; }
 .bi-p-square-fill::before { content: "\f806"; }
@@ -1823,8 +1788,6 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-pass::before { content: "\f809"; }
 .bi-prescription::before { content: "\f80a"; }
 .bi-prescription2::before { content: "\f80b"; }
-.bi-r-circle-1::before { content: "\f80c"; }
-.bi-r-circle-fill-1::before { content: "\f80d"; }
 .bi-r-circle-fill::before { content: "\f80e"; }
 .bi-r-circle::before { content: "\f80f"; }
 .bi-r-square-fill::before { content: "\f810"; }
@@ -2016,3 +1979,100 @@ url("./fonts/bootstrap-icons.woff?24e3eb84d0bcaf83d77f904c78ac1f47") format("wof
 .bi-sina-weibo::before { content: "\f8ca"; }
 .bi-tencent-qq::before { content: "\f8cb"; }
 .bi-wikipedia::before { content: "\f8cc"; }
+.bi-alphabet-uppercase::before { content: "\f2a5"; }
+.bi-alphabet::before { content: "\f68a"; }
+.bi-amazon::before { content: "\f68d"; }
+.bi-arrows-collapse-vertical::before { content: "\f690"; }
+.bi-arrows-expand-vertical::before { content: "\f695"; }
+.bi-arrows-vertical::before { content: "\f698"; }
+.bi-arrows::before { content: "\f6a2"; }
+.bi-ban-fill::before { content: "\f6a3"; }
+.bi-ban::before { content: "\f6b6"; }
+.bi-bing::before { content: "\f6c2"; }
+.bi-cake::before { content: "\f6e0"; }
+.bi-cake2::before { content: "\f6ed"; }
+.bi-cookie::before { content: "\f6ee"; }
+.bi-copy::before { content: "\f759"; }
+.bi-crosshair::before { content: "\f769"; }
+.bi-crosshair2::before { content: "\f794"; }
+.bi-emoji-astonished-fill::before { content: "\f795"; }
+.bi-emoji-astonished::before { content: "\f79a"; }
+.bi-emoji-grimace-fill::before { content: "\f79b"; }
+.bi-emoji-grimace::before { content: "\f7a0"; }
+.bi-emoji-grin-fill::before { content: "\f7a1"; }
+.bi-emoji-grin::before { content: "\f7a6"; }
+.bi-emoji-surprise-fill::before { content: "\f7a7"; }
+.bi-emoji-surprise::before { content: "\f7ac"; }
+.bi-emoji-tear-fill::before { content: "\f7ad"; }
+.bi-emoji-tear::before { content: "\f7b2"; }
+.bi-envelope-arrow-down-fill::before { content: "\f7b3"; }
+.bi-envelope-arrow-down::before { content: "\f7b8"; }
+.bi-envelope-arrow-up-fill::before { content: "\f7b9"; }
+.bi-envelope-arrow-up::before { content: "\f7be"; }
+.bi-feather::before { content: "\f7bf"; }
+.bi-feather2::before { content: "\f7c4"; }
+.bi-floppy-fill::before { content: "\f7c5"; }
+.bi-floppy::before { content: "\f7d8"; }
+.bi-floppy2-fill::before { content: "\f7d9"; }
+.bi-floppy2::before { content: "\f7e4"; }
+.bi-gitlab::before { content: "\f7e5"; }
+.bi-highlighter::before { content: "\f7f8"; }
+.bi-marker-tip::before { content: "\f802"; }
+.bi-nvme-fill::before { content: "\f803"; }
+.bi-nvme::before { content: "\f80c"; }
+.bi-opencollective::before { content: "\f80d"; }
+.bi-pci-card-network::before { content: "\f8cd"; }
+.bi-pci-card-sound::before { content: "\f8ce"; }
+.bi-radar::before { content: "\f8cf"; }
+.bi-send-arrow-down-fill::before { content: "\f8d0"; }
+.bi-send-arrow-down::before { content: "\f8d1"; }
+.bi-send-arrow-up-fill::before { content: "\f8d2"; }
+.bi-send-arrow-up::before { content: "\f8d3"; }
+.bi-sim-slash-fill::before { content: "\f8d4"; }
+.bi-sim-slash::before { content: "\f8d5"; }
+.bi-sourceforge::before { content: "\f8d6"; }
+.bi-substack::before { content: "\f8d7"; }
+.bi-threads-fill::before { content: "\f8d8"; }
+.bi-threads::before { content: "\f8d9"; }
+.bi-transparency::before { content: "\f8da"; }
+.bi-twitter-x::before { content: "\f8db"; }
+.bi-type-h4::before { content: "\f8dc"; }
+.bi-type-h5::before { content: "\f8dd"; }
+.bi-type-h6::before { content: "\f8de"; }
+.bi-backpack-fill::before { content: "\f8df"; }
+.bi-backpack::before { content: "\f8e0"; }
+.bi-backpack2-fill::before { content: "\f8e1"; }
+.bi-backpack2::before { content: "\f8e2"; }
+.bi-backpack3-fill::before { content: "\f8e3"; }
+.bi-backpack3::before { content: "\f8e4"; }
+.bi-backpack4-fill::before { content: "\f8e5"; }
+.bi-backpack4::before { content: "\f8e6"; }
+.bi-brilliance::before { content: "\f8e7"; }
+.bi-cake-fill::before { content: "\f8e8"; }
+.bi-cake2-fill::before { content: "\f8e9"; }
+.bi-duffle-fill::before { content: "\f8ea"; }
+.bi-duffle::before { content: "\f8eb"; }
+.bi-exposure::before { content: "\f8ec"; }
+.bi-gender-neuter::before { content: "\f8ed"; }
+.bi-highlights::before { content: "\f8ee"; }
+.bi-luggage-fill::before { content: "\f8ef"; }
+.bi-luggage::before { content: "\f8f0"; }
+.bi-mailbox-flag::before { content: "\f8f1"; }
+.bi-mailbox2-flag::before { content: "\f8f2"; }
+.bi-noise-reduction::before { content: "\f8f3"; }
+.bi-passport-fill::before { content: "\f8f4"; }
+.bi-passport::before { content: "\f8f5"; }
+.bi-person-arms-up::before { content: "\f8f6"; }
+.bi-person-raised-hand::before { content: "\f8f7"; }
+.bi-person-standing-dress::before { content: "\f8f8"; }
+.bi-person-standing::before { content: "\f8f9"; }
+.bi-person-walking::before { content: "\f8fa"; }
+.bi-person-wheelchair::before { content: "\f8fb"; }
+.bi-shadows::before { content: "\f8fc"; }
+.bi-suitcase-fill::before { content: "\f8fd"; }
+.bi-suitcase-lg-fill::before { content: "\f8fe"; }
+.bi-suitcase-lg::before { content: "\f8ff"; }
+.bi-suitcase::before { content: "\f900"; }
+.bi-suitcase2-fill::before { content: "\f901"; }
+.bi-suitcase2::before { content: "\f902"; }
+.bi-vignette::before { content: "\f903"; }
diff --git a/ram/portal/static/bootstrap-icons@1.11.1/font/fonts/bootstrap-icons.woff2 b/ram/portal/static/bootstrap-icons@1.11.1/font/fonts/bootstrap-icons.woff2
new file mode 100644
index 0000000..87032d1
Binary files /dev/null and b/ram/portal/static/bootstrap-icons@1.11.1/font/fonts/bootstrap-icons.woff2 differ
diff --git a/ram/portal/static/css/main.css b/ram/portal/static/css/main.css
index a4808df..df6847d 100644
--- a/ram/portal/static/css/main.css
+++ b/ram/portal/static/css/main.css
@@ -1,5 +1,5 @@
 /* Switch SVG logo to white on dark mode */
-html.dark .navbar-light svg {
+html[data-bs-theme='dark'] .navbar svg {
   fill: #fff;
 }
 
diff --git a/ram/portal/templates/base.html b/ram/portal/templates/base.html
index bd4df4d..048bfc3 100644
--- a/ram/portal/templates/base.html
+++ b/ram/portal/templates/base.html
@@ -4,7 +4,7 @@
 {% get_solo 'portal.SiteConfiguration' as site_conf %}
 
 <!doctype html>
-<html lang="en">
+<html lang="en" data-bs-theme="auto">
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
@@ -16,11 +16,11 @@
     <link rel="icon" href="{% static "favicon.png" %}" sizes="any">
     <link rel="icon" href="{% static "favicon.svg" %}" type="image/svg+xml">
     {% if site_conf.use_cdn %}
-    <link href="https://cdn.jsdelivr.net/npm/bootstrap-dark-5@1.1.3/dist/css/bootstrap-nightshade.min.css" rel="stylesheet">
-    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.3/font/bootstrap-icons.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css" rel="stylesheet">
     {% else %}
-    <link href="{% static "bootstrap-dark-5@1.1.3/dist/css/bootstrap-nightshade.min.css" %}" rel="stylesheet">
-    <link href="{% static "bootstrap-icons@1.10.3/font/bootstrap-icons.css" %}" rel="stylesheet">
+    <link href="{% static "bootstrap@5.3.2/dist/css/bootstrap.min.css" %}" rel="stylesheet">
+    <link href="{% static "bootstrap-icons@1.11.1/font/bootstrap-icons.css" %}" rel="stylesheet">
     {% endif %}
     <link href="{% static "css/main.css" %}?v={{ site_conf.version }}" rel="stylesheet">
     <style>
@@ -36,19 +36,97 @@
           font-size: 3.5rem;
         }
       }
-      .d-light-inline { display: inline !important; }
-      .d-dark-inline { display: none !important; }
-      html.dark .d-light-inline { display: none !important; }
-      html.dark .d-dark-inline { display: inline !important; }
     </style>
+    <script>
+      /*!
+      * Color mode toggler for Bootstrap's docs (https://getbootstrap.com/)
+      * Copyright 2011-2023 The Bootstrap Authors
+      * Licensed under the Creative Commons Attribution 3.0 Unported License.
+      */
+
+      (() => {
+        'use strict'
+
+        const getStoredTheme = () => localStorage.getItem('theme')
+        const setStoredTheme = theme => localStorage.setItem('theme', theme)
+
+        const getPreferredTheme = () => {
+          const storedTheme = getStoredTheme()
+          if (storedTheme) {
+            return storedTheme
+          }
+
+          return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'
+        }
+
+        const setTheme = theme => {
+          if (theme === 'auto' && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+            document.documentElement.setAttribute('data-bs-theme', 'dark')
+          } else {
+            document.documentElement.setAttribute('data-bs-theme', theme)
+          }
+        }
+
+        setTheme(getPreferredTheme())
+
+        const showActiveTheme = (theme, focus = false) => {
+          const themeSwitcher = document.querySelector('#bd-theme')
+
+          if (!themeSwitcher) {
+            return
+          }
+
+          // FIXME
+          //const themeSwitcherText = document.querySelector('#bd-theme-text')
+          //const activeThemeIcon = document.querySelector('.theme-icon-active use')
+          const btnToActive = document.querySelector(`[data-bs-theme-value="${theme}"]`)
+          //const svgOfActiveBtn = btnToActive.querySelector('svg use').getAttribute('href')
+
+          document.querySelectorAll('[data-bs-theme-value]').forEach(element => {
+            element.classList.remove('active')
+            element.setAttribute('aria-pressed', 'false')
+          })
+
+          btnToActive.classList.add('active')
+          btnToActive.setAttribute('aria-pressed', 'true')
+          // FIXME
+          //activeThemeIcon.setAttribute('href', svgOfActiveBtn)
+          //const themeSwitcherLabel = `${themeSwitcherText.textContent} (${btnToActive.dataset.bsThemeValue})`
+          //themeSwitcher.setAttribute('aria-label', themeSwitcherLabel)
+
+          if (focus) {
+            themeSwitcher.focus()
+          }
+        }
+
+        window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {
+          const storedTheme = getStoredTheme()
+          if (storedTheme !== 'light' && storedTheme !== 'dark') {
+            setTheme(getPreferredTheme())
+          }
+        })
+
+        window.addEventListener('DOMContentLoaded', () => {
+          showActiveTheme(getPreferredTheme())
+          document.querySelectorAll('[data-bs-theme-value]')
+            .forEach(toggle => {
+              toggle.addEventListener('click', () => {
+                const theme = toggle.getAttribute('data-bs-theme-value')
+                setStoredTheme(theme)
+                setTheme(theme)
+                showActiveTheme(theme, true)
+              })
+            })
+          })
+       })()
+    </script>
     {% block extra_head %}
     {{ site_conf.extra_head | safe }}
     {% endblock %}
-
   </head>
   <body>
     <header>
-      <div class="navbar navbar-light bg-light shadow-sm">
+      <div class="navbar bg-body-tertiary shadow-sm">
         <div class="container">
           <a href="{% url 'index' %}" class="navbar-brand d-flex align-items-center">
             <svg class="me-2" width="26" height="16" enable-background="new 0 0 26 26" version="1" viewBox="0 0 26 16" xmlns="http://www.w3.org/2000/svg">
@@ -64,7 +142,6 @@
           </a>
           <div class="btn-group" role="group" aria-label="Login menu">
             {% include 'includes/login.html' %}
-            <a id="darkmode-button" class="btn btn-sm btn-outline-dark"><i class="bi bi-moon d-none d-light-inline" title="Switch to dark mode"></i><i class="bi bi-sun d-none d-dark-inline" title="Switch to light mode"></i></a>
          </div>
         </div>
       </div>
@@ -115,7 +192,7 @@
           </div>
         </div>
       </section>
-      <div class="album py-4 bg-light">
+      <div class="album py-4 bg-body-tertiary">
         <div class="container">
           {% block carousel %}
           {% endblock %}
@@ -129,17 +206,9 @@
     </main>
     {% include 'includes/footer.html' %}
     {% if site_conf.use_cdn %}
-    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/bootstrap-dark-5@1.1.3/dist/js/darkmode.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
     {% else %}
-    <script src="{% static "bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" %}"></script>
-    <script src="{% static "bootstrap-dark-5@1.1.3/dist/js/darkmode.min.js" %}"></script>
+    <script src="{% static "bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js" %}"></script>
     {% endif %}
-    <!-- script src="https://cdn.jsdelivr.net/npm/masonry-layout@4.2.2/dist/masonry.pkgd.min.js" integrity="sha384-GNFwBvfVxBkLMJpYMOABq3c+d3KnQxudP/mGPkzpZSTYykLBNsZEnG2D9G/X/+7D" crossorigin="anonymous" async></script -->
-    <script>
-      document.querySelector("#darkmode-button").onclick = function(e){
-        darkmode.toggleDarkMode();
-      }
-    </script>
   </body>
 </html>
diff --git a/ram/portal/templates/cards.html b/ram/portal/templates/cards.html
index d2d3aa1..a46133c 100644
--- a/ram/portal/templates/cards.html
+++ b/ram/portal/templates/cards.html
@@ -10,7 +10,7 @@
         <div class="col">
           <div class="card shadow-sm">
             {% for i in d.image.all %}
-            {% if forloop.first %}<a href="{{d.get_absolute_url}}"><img src="{{ i.image.url }}" alt="Card image cap"></a>{% endif %}
+            {% if forloop.first %}<a href="{{d.get_absolute_url}}"><img class="card-img-top" src="{{ i.image.url }}" alt="Card image cap"></a>{% endif %}
             {% endfor %}
             <div class="card-body">
               <p class="card-text" style="position: relative;">
diff --git a/ram/portal/templates/includes/login.html b/ram/portal/templates/includes/login.html
index 6292cad..abb0e64 100644
--- a/ram/portal/templates/includes/login.html
+++ b/ram/portal/templates/includes/login.html
@@ -1,8 +1,8 @@
       {% if request.user.is_staff %}
-      <button class="btn btn-sm btn-outline-dark dropdown-toggle" type="button" id="dropdownMenu2" data-bs-toggle="dropdown" aria-expanded="false">
+      <button class="btn btn-sm dropdown-toggle" type="button" id="dropdownLogin" data-bs-toggle="dropdown" aria-expanded="false">
         Welcome back, <strong>{{ request.user }}</strong>
       </button>
-      <ul class="dropdown-menu" aria-labelledby="dropdownMenu2">
+      <ul class="dropdown-menu" aria-labelledby="dropdownLogin">
         <li><a class="dropdown-item" href="{% url 'admin:roster_rollingstock_changelist' %}">Rolling stock</a></li>
         <li><a class="dropdown-item" href="{% url 'admin:consist_consist_changelist' %}">Consists</a></li>
         <li><a class="dropdown-item" href="{% url 'admin:app_list' 'metadata' %}">Metadata</a></li>
@@ -15,5 +15,19 @@
         <li><a class="dropdown-item text-danger" href="{% url 'admin:logout' %}?next={{ request.path }}">Logout</a></li>
       </ul>
       {% else %}
-      <a class="btn btn-sm btn-outline-dark" href="{% url 'admin:login' %}?next={{ request.path }}">Log in</a>
+      <a class="btn btn-sm" href="{% url 'admin:login' %}?next={{ request.path }}">Log in</a>
       {% endif %}
+      <button class="btn btn-sm dropdown-toggle" type="button" id="bd-theme" data-bs-toggle="dropdown" aria-expanded="false">
+        <i class="bi bi-circle-half"></i>
+      </button>
+      <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="bd-theme">
+        <li>
+          <button class="dropdown-item" data-bs-theme-value="light" aria-pressed="false"><i class="bi bi-sun-fill"></i> Light</button>
+        </li>
+        <li>
+          <button class="dropdown-item" data-bs-theme-value="dark" aria-pressed="false"><i class="bi bi-moon-stars-fill"></i> Dark</button>
+        </li>
+        <li>
+          <button class="dropdown-item" data-bs-theme-value="auto" aria-pressed="false"><i class="bi bi-circle-half"></i> Auto</button>
+        </li>
+      </ul>
diff --git a/ram/ram/__init__.py b/ram/ram/__init__.py
index 49e0602..43cb8b0 100644
--- a/ram/ram/__init__.py
+++ b/ram/ram/__init__.py
@@ -1,4 +1,4 @@
 from ram.utils import git_suffix
 
-__version__ = "0.2.0"
+__version__ = "0.3.0"
 __version__ += git_suffix(__file__)