diff --git a/README.md b/README.md
index b720e3a..9c725d7 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ Display menu with Menu ID: NAVBAR_TOP
 {% load multimenus %}
 
 {% for item in items %}
-<li>
+<li{% if item.is_active or item.is_has_active_children %} class="active"{% endif %}>
     <a href="{{ item.get_url }}"{% if item.target %} target="{{ item.target }}"{% endif %}>{{ item.title }}</a>
     {% if item.get_children %}
     <ul>
diff --git a/multimenus/templatetags/multimenus.py b/multimenus/templatetags/multimenus.py
index 87bb435..1f51d14 100644
--- a/multimenus/templatetags/multimenus.py
+++ b/multimenus/templatetags/multimenus.py
@@ -42,9 +42,40 @@ def get_context(self, context, menu_id, template=None, params={}):
             except MenuItem.DoesNotExist:
                 menu_items = []
             cache.set(cache_key, menu_items, 60 * 60 * 24)
+        activated_menu_items = []
+        for item in menu_items:
+            activated_menu_items.append(ActivatedMenuItem(context['request'], item))
 
         return {
-            'items': menu_items,
+            'items': activated_menu_items,
             'template': template or ShowMultiMenu.DEFAULT_TEMPLATE_NAME,
         }
 
+class ActivatedMenuItem:
+    def __init__(self, request, menu_item):
+        self._request = request
+        self.menu_item = menu_item
+        self.title = menu_item.title
+        self.target = menu_item.target
+        children = menu_item.get_children();
+        activated_children = []
+        for child in children:
+            activated_children.append(ActivatedMenuItem(request, child))
+        self.children = activated_children
+
+    def get_children(self):
+        return self.children
+
+    def get_url(self):
+        return self.menu_item.get_url()
+
+    def is_active(self):
+        return self.menu_item.get_url() == self._request.get_full_path()
+
+    def is_has_active_children(self):
+        childrens = self.get_children()
+        for children in childrens:
+            if children.is_active():
+                return True
+        return False
+