diff --git a/README.md b/README.md
index 13287bbab0fa6e66901b09a05e75be2b20b834f4..eefa02971783d78b1d2466cab7ac5adf6b42a026 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@ subtitle: "Static website generator and more"
 
 This is a Quarto website using Markdown files to write contents.
 
+[Webpage](https://lbmc.gitbiopages.ens-lyon.fr/hub/quarto_website_template/) including a [presentation](https://lbmc.gitbiopages.ens-lyon.fr/hub/quarto_website_template/presentation/slides_presenting_quarto.html) and [sources](https://gitbio.ens-lyon.fr/LBMC/hub/quarto_website_template/).
+
 <a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License (CC BY 4.0)</a>
 
 ## What is Quarto?
@@ -39,11 +41,15 @@ Per the Quarto [official website](https://quarto.org):
 :::: {.columns}
 
 ::: {.column width="70%"}
+
 [pandoc](https://pandoc.org/): "a universal document converter"
+
 :::
 
 ::: {.column width="30%"}
+
 ![Pandoc supported formats](img/pandoc_format.jpg){width=40%}
+
 :::
 
 ::::
@@ -117,6 +123,7 @@ You can include markdown (`.md`) files inside any (Q|R)markdown file with the fo
 :::: {.columns}
 
 ::: {.column width="40%"}
+
 File `_quarto.yml`
 
 More complicated example: [quarto website config](https://github.com/quarto-dev/quarto-web/blob/main/_quarto.yml)
@@ -124,6 +131,7 @@ More complicated example: [quarto website config](https://github.com/quarto-dev/
 :::
 
 ::: {.column width="60%"}
+
 ```yml
 project:
   type: website
@@ -144,6 +152,7 @@ format:
     css: styles.css
     toc: true
 ```
+
 :::
 
 ::::
diff --git a/_quarto.yml b/_quarto.yml
index 5c32fd7702f946e3c2f6a193c816d781002a01e0..5a74a4ee00adac9907423a4aa8c592539370c2dc 100644
--- a/_quarto.yml
+++ b/_quarto.yml
@@ -13,7 +13,9 @@ website:
 
 format:
   html:
-    theme: cosmo
+    theme:
+      dark: darkly
+      light: flatly
     css: styles.css
     toc: true