diff --git a/observablehq.config.js b/observablehq.config.js
index 3a9f0ed..5029e00 100644
--- a/observablehq.config.js
+++ b/observablehq.config.js
@@ -17,17 +17,17 @@ export default {
   // ],
 
   // Content to add to the head of the page, e.g. for a favicon:
-  head: '<link rel="icon" href="observable.png" type="image/png" sizes="32x32">',
+  head: '<link rel="icon" href="favicon_hubblo.png" type="image/png" sizes="16x16">',
 
   // The path to the source root.
   root: "src",
 
   // Some additional configuration options and their defaults:
-  // theme: "default", // try "light", "dark", "slate", etc.
+  theme: "cotton", // try "light", "dark", "slate", etc.
   // header: "", // what to show in the header (HTML)
-  // footer: "Built with Observable.", // what to show in the footer (HTML)
-  // sidebar: true, // whether to show the sidebar
-  // toc: true, // whether to show the table of contents
+  footer: 'A case study by <a href="https://hubblo.org/blog">Hubblo</a>.', // what to show in the footer (HTML)
+  sidebar: false, // whether to show the sidebar
+  toc: true, // whether to show the table of contents
   // pager: true, // whether to show previous & next links in the footer
   // output: "dist", // path to the output root for build
   // search: true, // activate search
diff --git a/src/data/prepare.py b/src/data/prepare.py
index 5f92592..923e0b9 100644
--- a/src/data/prepare.py
+++ b/src/data/prepare.py
@@ -155,21 +155,3 @@ def main():
 
 if __name__ == '__main__':
     main()
-
-#for src_file in ["storage_1.csv", "storage_2.csv"]:
-#    if exists(src_file):
-#        with open(src_file, "r") as fs_sto:
-#            for l in fs_sto.readlines():
-#                if l.startswith("Service Type"):
-#
-#                if "GWP" in l:
-#                    cols = l.split(",")
-#                    impact_criterias = cols[1:]
-#                else:
-#                    if l.startswith("Tier") or l.startswith("Total"):
-#                        cols = l.split(",")
-#                        tier = cols[0]
-#                        values = cols[1:]
-#
-#                        # use_case,tier_1,tier_2,tier_3,total
-#                        # storage
diff --git a/src/favicon_hubblo.png b/src/favicon_hubblo.png
new file mode 100644
index 0000000..9daa9ea
Binary files /dev/null and b/src/favicon_hubblo.png differ
diff --git a/src/index.md b/src/index.md
index c7620c8..8393877 100644
--- a/src/index.md
+++ b/src/index.md
@@ -19,7 +19,7 @@ toc: false
   font-size: 14vw;
   font-weight: 900;
   line-height: 1;
-  background: linear-gradient(30deg, var(--theme-foreground-focus), currentColor);
+  background: linear-gradient(30deg, var(--theme-foreground-muted), currentColor);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
@@ -37,7 +37,7 @@ toc: false
 
 @media (min-width: 640px) {
   .hero h1 {
-    font-size: 90px;
+    font-size: 70px;
   }
 }
 
@@ -81,33 +81,3 @@ const fx = view(Inputs.select(["dc_location", "tier"], {value: "dc_location", la
     }))}
 </div>
 </div>
-
----
-
-## Next steps
-
-Here are some ideas of things you could try…
-
-<div class="grid grid-cols-4">
-  <div class="card">
-    Chart your own data using <a href="https://observablehq.com/framework/lib/plot"><code>Plot</code></a> and <a href="https://observablehq.com/framework/files"><code>FileAttachment</code></a>. Make it responsive using <a href="https://observablehq.com/framework/display#responsive-display"><code>resize</code></a>.
-  </div>
-  <div class="card">
-    Create a <a href="https://observablehq.com/framework/project-structure">new page</a> by adding a Markdown file (<code>whatever.md</code>) to the <code>src</code> folder.
-  </div>
-  <div class="card">
-    Add a drop-down menu using <a href="https://observablehq.com/framework/inputs/select"><code>Inputs.select</code></a> and use it to filter the data shown in a chart.
-  </div>
-  <div class="card">
-    Write a <a href="https://observablehq.com/framework/loaders">data loader</a> that queries a local database or API, generating a data snapshot on build.
-  </div>
-  <div class="card">
-    Import a <a href="https://observablehq.com/framework/imports">recommended library</a> from npm, such as <a href="https://observablehq.com/framework/lib/leaflet">Leaflet</a>, <a href="https://observablehq.com/framework/lib/dot">GraphViz</a>, <a href="https://observablehq.com/framework/lib/tex">TeX</a>, or <a href="https://observablehq.com/framework/lib/duckdb">DuckDB</a>.
-  </div>
-  <div class="card">
-    Ask for help, or share your work or ideas, on the <a href="https://talk.observablehq.com/">Observable forum</a>.
-  </div>
-  <div class="card">
-    Visit <a href="https://github.com/observablehq/framework">Framework on GitHub</a> and give us a star. Or file an issue if you’ve found a bug!
-  </div>
-</div>