Fix: Multiple bugs

themes/agico-hugo/layouts/partials/essential/header.html

@@ -48,14 +48,14 @@
         <!-- Language List -->
         {{ if .IsTranslated }}
         <div class="dropdown">
-          <a class="dropdown-toggle d-inline-flex align-items-center"
+          <button class="dropdown-toggle d-inline-flex align-items-center"
                   type="button"
                   id="langDropdown"
                   data-bs-toggle="dropdown"
                   aria-expanded="false"
-                  aria-label="">
+                  aria-label="Language">
             <i class="fa-solid fa-language me-2" aria-hidden="true"></i>
-        </a>
+        </button>
 
           <ul class="dropdown-menu dropdown-menu-lang dropdown-menu-end" aria-labelledby="langDropdown">
             {{ $siteLanguages := .Site.Languages }}