diff --git a/docs/Instruction/tips_list.md b/docs/Instruction/tips_list.md
index 796c745dc82741e3ec06bb6bb127bc98bd8b56ad..f07c5dd5fcca17f5ab0ab56c55fb5513d9d01128 100644
--- a/docs/Instruction/tips_list.md
+++ b/docs/Instruction/tips_list.md
@@ -4,6 +4,7 @@
 - [Markdown memo (w/Mkdocs-material template)](http://tatsuro.homma.fabcloud.io/fabacademy/tips/content/markdown/)
 - [Make this site](./tips/make_this_site.md)
 - [Markdown in-page links](./tips/markdown_In-page_links.md)
+- [Fullscreen background image](./tips/fullscreen_image_text_up.md)
 
 ## 3D CAD
 - [Blender Physics](http://yuichitamiya.fabcloud.io/fabacademy2020/projects/blender_physics/)