diff --git a/assets/img/splash.png b/assets/img/splash.png
new file mode 100644
index 0000000..5d99ac3
Binary files /dev/null and b/assets/img/splash.png differ
diff --git a/index.html b/index.html
index c3532cc..d115da6 100644
--- a/index.html
+++ b/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html data-bs-theme="light" lang="en">
+<html data-bs-theme="auto" lang="en">
 
 <head>
     <meta charset="utf-8">
@@ -7,15 +7,15 @@
     <title>Home - FireWallet</title>
     <link rel="canonical" href="https://firewallet.woodburn.au/">
     <meta property="og:url" content="https://firewallet.woodburn.au/">
+    <meta name="twitter:image" content="https://firewallet.woodburn.au/assets/img/splash.png">
     <meta property="og:type" content="website">
     <meta property="og:title" content="FireWallet">
     <meta name="twitter:title" content="FireWallet">
-    <meta name="twitter:image" content="https://firewallet.woodburn.au/assets/img/FW.png">
     <meta name="description" content="The Handshake wallet that is just Fire">
-    <meta property="og:image" content="https://firewallet.woodburn.au/assets/img/FW.png">
     <meta name="twitter:description" content="The Handshake wallet that is just Fire">
     <meta property="og:description" content="The Handshake wallet that is just Fire">
     <meta name="twitter:card" content="summary">
+    <meta property="og:image" content="https://firewallet.woodburn.au/assets/img/splash.png">
     <script type="application/ld+json">
         {
             "@context": "http://schema.org",
@@ -24,6 +24,86 @@
             "url": "https://firewallet.woodburn.au"
         }
     </script>
+    <script>
+        (function() {
+
+            // JavaScript snippet handling Dark/Light mode switching
+
+            const getStoredTheme = () => localStorage.getItem('theme');
+            const setStoredTheme = theme => localStorage.setItem('theme', theme);
+            const forcedTheme = document.documentElement.getAttribute('data-bss-forced-theme');
+
+            const getPreferredTheme = () => {
+
+                if (forcedTheme) return forcedTheme;
+
+                const storedTheme = getStoredTheme();
+                if (storedTheme) {
+                    return storedTheme;
+                }
+
+                const pageTheme = document.documentElement.getAttribute('data-bs-theme');
+
+                if (pageTheme) {
+                    return pageTheme;
+                }
+
+                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 themeSwitchers = [].slice.call(document.querySelectorAll('.theme-switcher'));
+
+                if (!themeSwitchers.length) return;
+
+                for (const themeSwitcher of themeSwitchers) {
+
+                    const themeSwitcherText = document.querySelector('#theme-text');
+                    const activeThemeIcon = document.querySelector('.theme-icon-active use');
+                    const btnToActive = document.querySelector('[data-bs-theme-value="' + theme + '"]');
+
+                    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');
+                }
+            }
+
+            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);
+                        })
+                    })
+            });
+        })();
+    </script>
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
diff --git a/setup.html b/setup.html
index cf0d6cf..ef6497a 100644
--- a/setup.html
+++ b/setup.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html data-bs-theme="light" lang="en">
+<html data-bs-theme="auto" lang="en">
 
 <head>
     <meta charset="utf-8">
@@ -7,15 +7,95 @@
     <title>Setup - FireWallet</title>
     <link rel="canonical" href="https://firewallet.woodburn.au/setup.html">
     <meta property="og:url" content="https://firewallet.woodburn.au/setup.html">
+    <meta name="twitter:image" content="https://firewallet.woodburn.au/assets/img/splash.png">
     <meta property="og:type" content="website">
     <meta property="og:title" content="FireWallet">
     <meta name="twitter:title" content="FireWallet">
-    <meta name="twitter:image" content="https://firewallet.woodburn.au/assets/img/FW.png">
     <meta name="description" content="The Handshake wallet that is just Fire">
-    <meta property="og:image" content="https://firewallet.woodburn.au/assets/img/FW.png">
     <meta name="twitter:description" content="The Handshake wallet that is just Fire">
     <meta property="og:description" content="The Handshake wallet that is just Fire">
     <meta name="twitter:card" content="summary">
+    <meta property="og:image" content="https://firewallet.woodburn.au/assets/img/splash.png">
+    <script>
+        (function() {
+
+            // JavaScript snippet handling Dark/Light mode switching
+
+            const getStoredTheme = () => localStorage.getItem('theme');
+            const setStoredTheme = theme => localStorage.setItem('theme', theme);
+            const forcedTheme = document.documentElement.getAttribute('data-bss-forced-theme');
+
+            const getPreferredTheme = () => {
+
+                if (forcedTheme) return forcedTheme;
+
+                const storedTheme = getStoredTheme();
+                if (storedTheme) {
+                    return storedTheme;
+                }
+
+                const pageTheme = document.documentElement.getAttribute('data-bs-theme');
+
+                if (pageTheme) {
+                    return pageTheme;
+                }
+
+                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 themeSwitchers = [].slice.call(document.querySelectorAll('.theme-switcher'));
+
+                if (!themeSwitchers.length) return;
+
+                for (const themeSwitcher of themeSwitchers) {
+
+                    const themeSwitcherText = document.querySelector('#theme-text');
+                    const activeThemeIcon = document.querySelector('.theme-icon-active use');
+                    const btnToActive = document.querySelector('[data-bs-theme-value="' + theme + '"]');
+
+                    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');
+                }
+            }
+
+            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);
+                        })
+                    })
+            });
+        })();
+    </script>
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
diff --git a/sitemap.xml b/sitemap.xml
new file mode 100644
index 0000000..22e31ff
--- /dev/null
+++ b/sitemap.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
+    <url>
+        <loc>https://firewallet.woodburn.au/</loc>
+    </url>
+    <url>
+        <loc>https://firewallet.woodburn.au/setup.html</loc>
+    </url>
+    <url>
+        <loc>https://firewallet.woodburn.au/usage.html</loc>
+    </url>
+</urlset>
\ No newline at end of file
diff --git a/usage.html b/usage.html
index 6426131..56076ec 100644
--- a/usage.html
+++ b/usage.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html data-bs-theme="light" lang="en">
+<html data-bs-theme="auto" lang="en">
 
 <head>
     <meta charset="utf-8">
@@ -7,15 +7,95 @@
     <title>Usage - FireWallet</title>
     <link rel="canonical" href="https://firewallet.woodburn.au/usage.html">
     <meta property="og:url" content="https://firewallet.woodburn.au/usage.html">
+    <meta name="twitter:image" content="https://firewallet.woodburn.au/assets/img/splash.png">
     <meta property="og:type" content="website">
     <meta property="og:title" content="FireWallet">
     <meta name="twitter:title" content="FireWallet">
-    <meta name="twitter:image" content="https://firewallet.woodburn.au/assets/img/FW.png">
     <meta name="description" content="The Handshake wallet that is just Fire">
-    <meta property="og:image" content="https://firewallet.woodburn.au/assets/img/FW.png">
     <meta name="twitter:description" content="The Handshake wallet that is just Fire">
     <meta property="og:description" content="The Handshake wallet that is just Fire">
     <meta name="twitter:card" content="summary">
+    <meta property="og:image" content="https://firewallet.woodburn.au/assets/img/splash.png">
+    <script>
+        (function() {
+
+            // JavaScript snippet handling Dark/Light mode switching
+
+            const getStoredTheme = () => localStorage.getItem('theme');
+            const setStoredTheme = theme => localStorage.setItem('theme', theme);
+            const forcedTheme = document.documentElement.getAttribute('data-bss-forced-theme');
+
+            const getPreferredTheme = () => {
+
+                if (forcedTheme) return forcedTheme;
+
+                const storedTheme = getStoredTheme();
+                if (storedTheme) {
+                    return storedTheme;
+                }
+
+                const pageTheme = document.documentElement.getAttribute('data-bs-theme');
+
+                if (pageTheme) {
+                    return pageTheme;
+                }
+
+                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 themeSwitchers = [].slice.call(document.querySelectorAll('.theme-switcher'));
+
+                if (!themeSwitchers.length) return;
+
+                for (const themeSwitcher of themeSwitchers) {
+
+                    const themeSwitcherText = document.querySelector('#theme-text');
+                    const activeThemeIcon = document.querySelector('.theme-icon-active use');
+                    const btnToActive = document.querySelector('[data-bs-theme-value="' + theme + '"]');
+
+                    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');
+                }
+            }
+
+            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);
+                        })
+                    })
+            });
+        })();
+    </script>
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
     <link rel="icon" type="image/png" sizes="900x768" href="assets/img/FW.png">
