diff --git a/assets/img/logo_inv_grad.png b/assets/img/logo_inv_grad.png
new file mode 100644
index 0000000..ee6e369
Binary files /dev/null and b/assets/img/logo_inv_grad.png differ
diff --git a/templates/base.html b/templates/base.html
index 8e6233f..f70e61d 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -10,16 +10,48 @@
name="viewport"
content="width=device-width, initial-scale=1.0, shrink-to-fit=no"
/>
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