diff --git a/android-chrome-192x192.png b/android-chrome-192x192.png
index 1052e7e..190f132 100644
Binary files a/android-chrome-192x192.png and b/android-chrome-192x192.png differ
diff --git a/android-chrome-512x512.png b/android-chrome-512x512.png
new file mode 100644
index 0000000..db94a99
Binary files /dev/null and b/android-chrome-512x512.png differ
diff --git a/apple-touch-icon.png b/apple-touch-icon.png
index bf37e28..52872b8 100644
Binary files a/apple-touch-icon.png and b/apple-touch-icon.png differ
diff --git a/favicon-16x16.png b/favicon-16x16.png
index 1ed6a73..db22056 100644
Binary files a/favicon-16x16.png and b/favicon-16x16.png differ
diff --git a/favicon-32x32.png b/favicon-32x32.png
index 60d3b27..e1cf71d 100644
Binary files a/favicon-32x32.png and b/favicon-32x32.png differ
diff --git a/favicon.ico b/favicon.ico
index 3c9dec1..010fc51 100644
Binary files a/favicon.ico and b/favicon.ico differ
diff --git a/mettcalc.png b/mettcalc.png
new file mode 100644
index 0000000..e6da4d0
Binary files /dev/null and b/mettcalc.png differ
diff --git a/site.webmanifest b/site.webmanifest
index 8542193..45dc8a2 100644
--- a/site.webmanifest
+++ b/site.webmanifest
@@ -1,19 +1 @@
-{
-    "name": "mettcalc",
-    "short_name": "mettcalc",
-    "icons": [
-        {
-            "src": "/android-chrome-192x192.png",
-            "sizes": "192x192",
-            "type": "image/png"
-        },
-        {
-            "src": "/android-chrome-384x384.png",
-            "sizes": "384x384",
-            "type": "image/png"
-        }
-    ],
-    "theme_color": "#ffffff",
-    "background_color": "#ffffff",
-    "display": "standalone"
-}
+{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}
\ No newline at end of file