diff --git a/doc/source/_static/logo-original.png b/doc/source/_static/logo-original.png
new file mode 100644
index 0000000..c179951
--- /dev/null
+++ b/doc/source/_static/logo-original.png
diff --git a/doc/source/_static/logo.png b/doc/source/_static/logo.png
index c179951..d2b041b 100644
--- a/doc/source/_static/logo.png
+++ b/doc/source/_static/logo.png