diff --git a/public/favicon.ico b/public/favicon.ico
index a11777c..222a1b0 100644
Binary files a/public/favicon.ico and b/public/favicon.ico differ
diff --git a/public/index.html b/public/index.html
index 1cbfa93..64b4e94 100644
--- a/public/index.html
+++ b/public/index.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8"/>
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico"/>
     <meta name="viewport" content="width=device-width, initial-scale=1"/>
-    <meta name="theme-color" content="#000000"/>
+    <meta name="theme-color" content="#ff0000"/>
     <meta name="description" content="Interactive French Republican Calendar (a.k.a. French Revolutionary Calendar)."/>
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png"/>
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json"/>
diff --git a/public/logo.svg b/public/logo.svg
new file mode 100644
index 0000000..35fbd1c
--- /dev/null
+++ b/public/logo.svg
@@ -0,0 +1 @@
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diff --git a/public/logo192.png b/public/logo192.png
index fc44b0a..ac33d6c 100644
Binary files a/public/logo192.png and b/public/logo192.png differ
diff --git a/public/logo512.png b/public/logo512.png
index a4e47a6..e6b3502 100644
Binary files a/public/logo512.png and b/public/logo512.png differ
diff --git a/public/manifest.json b/public/manifest.json
index 080d6c7..9ac9eb1 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -1,10 +1,10 @@
 {
-  "short_name": "React App",
-  "name": "Create React App Sample",
+  "short_name": "French Republican Calendar",
+  "name": "French Republican Calendar",
   "icons": [
     {
       "src": "favicon.ico",
-      "sizes": "64x64 32x32 24x24 16x16",
+      "sizes": "128x128 64x64 32x32 24x24 16x16",
       "type": "image/x-icon"
     },
     {
@@ -20,6 +20,6 @@
   ],
   "start_url": ".",
   "display": "standalone",
-  "theme_color": "#000000",
+  "theme_color": "#ff0000",
   "background_color": "#ffffff"
 }
diff --git a/src/logo.svg b/src/logo.svg
deleted file mode 100644
index 9dfc1c0..0000000
--- a/src/logo.svg
+++ /dev/null
@@ -1 +0,0 @@
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