diff --git a/docs/img/nrsig.png b/docs/img/nrsig.png
new file mode 100644
index 0000000..eb8b42c
Binary files /dev/null and b/docs/img/nrsig.png differ
diff --git a/docs/index.html b/docs/index.html
index 31d2b70..c5387cf 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -62,7 +62,9 @@
     </nav>
 
     <!-- Main jumbotron for a primary marketing message or call to action -->
-    <div class="jumbotron jumbotron-fluid" style="background: url('./img/1.png');">
+    <div class="jumbotron jumbotron-fluid" style="background: url('./img/nrsig.png'); background-size: 33%;">
+        <div height=100% width=100% style="background: rgba(255,255,255, 1); background-size: 33%;">
+        </div>
         <div class="container">
             <div class="row">
                 <div class="col-md-6 col-md-offset-3 text-center">