diff --git a/docs/extra/css/site.css b/docs/extra/css/site.css
new file mode 100644
index 00000000..1fc0d62b
--- /dev/null
+++ b/docs/extra/css/site.css
@@ -0,0 +1,34 @@
+[data-md-color-primary=indigo] .md-header, .md-header
+{
+    background-color: #4D77A4;
+}
+
+[data-md-color-primary=indigo] .md-tabs
+{
+    background-color: #436491;
+}
+
+@media only screen and (max-width: 76.1875em){
+    html [data-md-color-primary=indigo] .md-nav--primary .md-nav__title--site{
+        background-color: #4D77A4;
+    }
+    [data-md-color-primary=indigo] .md-header, .md-header
+    {
+        background-color: #4D77A4;
+    }
+
+    [data-md-color-primary=indigo] .md-nav__source
+    {
+        background-color: #436491;
+    }
+
+    html .md-nav--primary .md-nav__title
+    {
+        background-color: #436491;
+        color:white;
+    }
+    html .md-nav--primary .md-nav__title:before
+    {
+        color:white;
+    }
+}
diff --git a/mkdocs.yml b/mkdocs.yml
index 83af3be9..14004d9b 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -36,6 +36,7 @@ extra:
 
 extra_css:
   - extra/css/images.css
+  - extra/css/site.css
 
 pages:
   - Home: index.md