diff --git a/docker-compose.yaml b/docker-compose.yaml
index 5578b5c..833a498 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: "3.3"
-
 services:
 
   dev-site:
diff --git a/docs/css/lock-unlock.css b/docs/css/lock-unlock.css
index 33459b1..2b7178c 100644
--- a/docs/css/lock-unlock.css
+++ b/docs/css/lock-unlock.css
@@ -14,3 +14,32 @@
   text-align: justify;
   text-justify: inter-word;
 }
+
+.md-header {
+  top: 33px;
+}
+
+.labsbar {
+  color: white;
+  background-color: rgb(0, 41, 93);
+  position: sticky;
+  top: 0;
+  z-index: 4;
+  height: 33px;
+  width: 100%;
+  display: flex;
+  justify-content: center;
+  font-size: .9rem;
+}
+
+.labsbar .item {
+  margin: auto 1rem;
+  text-align: center;
+  display: flex;
+  align-items: baseline;
+}
+
+.labsbar img {
+  height: 22px;
+  margin: auto 0.7rem;
+}
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index 97f530b..82a6663 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -45,6 +45,7 @@ extra_css:
   - css/lock-unlock.css
 theme:
   name: material
+  custom_dir: overrides
   palette:
     primary: custom
   language: nl
diff --git a/overrides/assets/kadaster-logo-white.png b/overrides/assets/kadaster-logo-white.png
new file mode 100644
index 0000000..a444acf
Binary files /dev/null and b/overrides/assets/kadaster-logo-white.png differ
diff --git a/overrides/main.html b/overrides/main.html
new file mode 100644
index 0000000..5b04c9f
--- /dev/null
+++ b/overrides/main.html
@@ -0,0 +1,10 @@
+{% extends "base.html" %}
+
+{% block header %}
+<div class="container labsbar">
+    <span class="item"><img src="assets/kadaster-logo-white.png"/><a href="https://labs.kadaster.nl/" target="_blank">labs.kadaster.nl</a></span>
+    <span class="item delimeter">|</span>
+    <a class="item" href="https://federatief.datastelsel.nl/" target="_blank">federatief.datastelsel.nl</a>
+</div>
+{{ super() }}
+{% endblock %}
\ No newline at end of file