diff --git a/kursy/templates/header.html b/kursy/templates/header.html
index 468be48..d7fd319 100644
--- a/kursy/templates/header.html
+++ b/kursy/templates/header.html
@@ -1,12 +1,12 @@
 {% load i18n wagtailcore_tags %}
-<header class="bg-blue-900 text-white shadow-md relative">
+<header class="bg-blue-900 text-white shadow-md lg:sticky top-0 z-40">
   <div class="container mx-auto flex items-center justify-between py-4 px-6">
     {% wagtail_site as current_site %}
-    <div class="flex items-center gap-4">
+    <nav class="flex items-center gap-4">
       <a class="text-xl font-bold" href="/">{{ current_site.site_name }}</a>
       <a href="{% slugurl 'courses' %}" class="hover:underline">{% trans "Courses" %}</a>
       <a href="{% url 'calendar' %}" class="hover:underline">{% trans "Course Calendar" %}</a>
-    </div>
+    </nav>
 
     <nav class="flex items-center gap-4">
       {% if user.is_authenticated %}
@@ -31,8 +31,8 @@
   </div>
 
   <div class="container mx-auto px-6 mb-2 md:mb-0">
-    <form action="{% url 'search' %}" method="get" class="flex items-center bg-blue-950 rounded-md md:w-auto md:absolute md:left-1/2 md:top-1/2 md:transform md:-translate-x-1/2 md:-translate-y-1/2 md:mt-0">
-      <input type="text" name="query" placeholder="{% trans 'Search courses...' %}" class="rounded-md px-3 py-2 w-full md:w-auto focus:outline-none">
+    <form action="{% url 'search' %}" method="get" class="flex items-center bg-blue-950 rounded-md mb-2 lg:w-auto lg:absolute lg:left-1/2 lg:top-1/2 lg:transform lg:-translate-x-1/2 lg:-translate-y-1/2 lg:mt-0">
+      <input type="text" name="query" placeholder="{% trans 'Search courses...' %}" class="rounded-lg px-3 py-2 w-full lg:w-auto focus:outline-none">
       <button type="submit" class="bg-white text-blue-900 rounded-md px-3 py-2 hover:bg-gray-200 transition"><i class="fi fi-br-search"></i></button>
     </form>
   </div>