diff --git a/themes/doc-theme/static/css/doc-theme.css b/themes/doc-theme/static/css/doc-theme.css
index 3b4a7d5..714b3c8 100644
--- a/themes/doc-theme/static/css/doc-theme.css
+++ b/themes/doc-theme/static/css/doc-theme.css
@@ -223,9 +223,11 @@ nav#TableOfContents::-webkit-scrollbar-thumb, .fancyScroll::-webkit-scrollbar-th
   display: block;
   position: absolute;
   width: 100%;
-height: 100%;
-background-image: url('/logo2.svg');
-background-size: cover;
+  height: 100%;
+  background-image: url('/logo2.svg');
+  background-repeat: no-repeat;
+  background-attachment: fixed;
+  background-position: center;
 }