diff --git a/css/style.css b/css/style.css
index 4610d90..5383732 100644
--- a/css/style.css
+++ b/css/style.css
@@ -351,7 +351,7 @@ a:visited {
   text-decoration-thickness: 0.175rem;
 }
 
-button, .link-button, .menu-button, .logo {
+button, .link-button, .menu-button, .menu-button-secondary, .logo {
   appearance: none;
   -webkit-appearance: none;
   display: inline-flex;
@@ -382,6 +382,12 @@ button, .link-button, .logo, .desktop-nav a[aria-current="page"],
   color: var(--color-menu-text-button);
 }
 
+.menu-button-secondary {
+  background: var(--color-secondary);
+  color: var(--color-text-button);
+  box-shadow: var(--shadow-button);
+}
+
 .logo {
   padding: 1rem;
   aspect-ratio: 1/1;
@@ -426,6 +432,19 @@ button:visited, .link-button:visited, .logo:visited, .desktop-nav a[aria-current
 /* =======================
  Layout styles
  ======================= */
+ 
+.visually-hidden {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  margin: -1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  clip-path: inset(50%);
+  white-space: nowrap;
+  border: 0;
+}
 
 #skipLink a {
   display: block;
@@ -510,6 +529,41 @@ button:visited, .link-button:visited, .logo:visited, .desktop-nav a[aria-current
   
 }
 
+.desktop-nav-secondary ul {
+  display: flex;
+  align-items: stretch;
+  gap: var(--spacing-4);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.desktop-nav-secondary li {
+  display: flex;
+  margin: 0;
+  padding: 0;
+}
+
+.desktop-nav-secondary svg {
+  color: var(--color-secondary);
+  height: 1.5em;
+  width: 1.5em;
+  flex: none;
+  display: block;
+}
+
+.desktop-nav-secondary svg:hover {
+  color: var(--color-secondary-hover);
+}
+
+.desktop-nav-secondary svg:active {
+  color: var(--color-secondary-active);
+}
+
+.desktop-nav-secondary svg path {
+  fill: currentColor;
+}
+
 .menu-toggle,
 .menu-close {
   width: 44px;
diff --git a/index.html b/index.html
index a110e70..22f4cb6 100644
--- a/index.html
+++ b/index.html
@@ -33,7 +33,8 @@
     <div class="menu-bar">
       <div class="menu-left">
         <a class="logo" href="/">
-          <svg xmlns="http://www.w3.org/2000/svg" id="Layer_1" data-name="Layer 1" viewBox="0 0 1080 1080"><path d="M1000.022 50H499.59c-20.565 0-34.827 20.502-27.676 39.783l146.561 395.171c8.419 22.699 40.635 22.382 48.605-.478l61.821-177.315c6.903-19.8 34.906-19.8 41.809 0l61.821 177.315c7.97 22.861 40.187 23.178 48.605.478l146.561-395.171c7.151-19.281-7.112-39.783-27.676-39.783Z"/><path d="M360 538V106c0-30.928-25.072-56-56-56H106c-30.928 0-56 25.072-56 56v868c0 30.928 25.072 56 56 56h868c30.928 0 56-25.072 56-56V650c0-30.928-25.072-56-56-56H416c-30.928 0-56-25.072-56-56"/></svg>
+          <svg xmlns="http://www.w3.org/2000/svg" id="Layer_1" data-name="Layer 1" aria-hidden="true" focusable="false" viewBox="0 0 1080 1080"><path d="M1000.022 50H499.59c-20.565 0-34.827 20.502-27.676 39.783l146.561 395.171c8.419 22.699 40.635 22.382 48.605-.478l61.821-177.315c6.903-19.8 34.906-19.8 41.809 0l61.821 177.315c7.97 22.861 40.187 23.178 48.605.478l146.561-395.171c7.151-19.281-7.112-39.783-27.676-39.783Z"/><path d="M360 538V106c0-30.928-25.072-56-56-56H106c-30.928 0-56 25.072-56 56v868c0 30.928 25.072 56 56 56h868c30.928 0 56-25.072 56-56V650c0-30.928-25.072-56-56-56H416c-30.928 0-56-25.072-56-56"/></svg>
+          <span class="visually-hidden">Home page</span>
         </a>
       
         <nav class="desktop-nav" aria-label="Primary navigation">
@@ -44,6 +45,18 @@
           </ul>
         </nav>
       </div>
+      
+      <nav class="desktop-nav-secondary" aria-label="Secondary navigation">
+        <ul>
+          <li><a href="#" class="menu-button-secondary">
+            <svg aria-hidden="true" focusable="false" viewBox="0 0 24 24">
+              <path fill="currentColor" d="M21 10h-6v12h-2v-6h-2v6H9V10H3V8h18zm-9-8a2.5 2.5 0 1 1 0 5 2.5 2.5 0 0 1 0-5"/>
+            </svg><span class="visually-hidden">Make the website more visually accessible</span></a></li>
+          <li><a href="#" class="menu-button-secondary"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24">
+              <path fill="currentColor" fill-rule="evenodd" d="M5.302 4.574a9.96 9.96 0 0 1 6.697-2.57L12 2l.134.002a10.1 10.1 0 0 1 3.015.507l.223.076q.12.043.24.091.102.038.203.08.117.047.232.1.107.045.213.095.105.05.21.104.116.056.23.117l.153.084q.135.074.27.154.105.064.21.132.091.056.183.115.131.088.261.182l.154.109.21.162q.092.071.185.146l.123.105q.32.268.622.568l.355.373q.51.565.917 1.182l.06.095q.104.16.202.323l.082.145q.076.134.15.27l.085.166q.067.13.13.264.042.09.081.182.063.138.122.279l.049.127q.063.16.12.32.027.075.05.15.051.145.096.292l.058.206a10 10 0 0 1 .173.716l.037.201.044.254a10 10 0 0 1 .081.695 10.3 10.3 0 0 1-.084 2.374 10 10 0 0 1-.13.678 10 10 0 0 1-.184.694 10 10 0 0 1-.148.448q-.046.13-.098.26l-.075.192-.1.233q-.046.106-.095.213l-.104.21-.117.229-.095.171q-.07.127-.143.252-.065.106-.132.21-.058.096-.12.19-.087.128-.178.255l-.108.154q-.08.105-.163.209-.071.094-.145.186l-.105.123a10 10 0 0 1-.94.976q-.375.337-.773.63l-.098.07q-.147.105-.295.205l-.148.095q-.128.083-.258.162l-.163.093q-.127.075-.257.143-.087.046-.175.09-.12.062-.242.12-.102.048-.205.094-.117.052-.236.102l-.175.072a10 10 0 0 1-1.147.372q-.108.03-.218.056a10 10 0 0 1-.293.064l-.146.03a10 10 0 0 1-.294.05l-.187.029q-.135.018-.27.032l-.189.022q-.157.013-.316.022l-.15.01a9.97 9.97 0 0 1-7.162-2.563l-.373-.355c-3.905-3.905-3.905-10.237 0-14.142zm1.041 1.77A8 8 0 0 0 12 20V4a7.98 7.98 0 0 0-5.657 2.343"/>
+            </svg><span class="visually-hidden">Change light/dark mode</span></a></li>
+        </ul>
+      </nav>
   
       <button
         class="menu-toggle"