add site header to all subpages

about.html

@@ -6,7 +6,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
   <title>About – Lars Winter</title>
   <link rel="stylesheet" href="css/style.css">
-  <link rel="stylesheet" href="/css/a11y.css" id="a11y-css" disabled>
+  <link rel="stylesheet" href="css/a11y.css" id="a11y-css" disabled>
   <meta name="description" content="Creator of visual identities and digital interfaces">
 
   <meta property="og:title" content="Lars Winter">
@@ -50,6 +50,7 @@
         </nav>
       </div>
       
+      <div class="menu-right">
       <nav class="desktop-nav-secondary" aria-label="Secondary navigation">
         <ul>
           <li><button type="button" id="a11y-toggle" aria-pressed="false" class="button-secondary">
@@ -71,10 +72,9 @@
         aria-haspopup="true"
         aria-label="Open menu"
       >
-        <span></span>
-        <span></span>
-        <span></span>
+        Menu
       </button>
+      </div>
     </div>
   </header>
   
@@ -89,7 +89,7 @@
     <div class="mobile-menu__header">
       <strong>Menu</strong>
       <button class="menu-close" id="menuClose" type="button" aria-label="Close menu">
-        ✕
+        Close
       </button>
     </div>