diff --git a/.gitignore b/.gitignore
index a2753c8..dd93076 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,7 @@
 out/
 
 # Local Netlify folder
-.netlify
\ No newline at end of file
+.netlify
+
+cypress/videos
+cypress/screenshots
diff --git a/README.md b/README.md
index 1ae02fc..7b9835c 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,6 @@
 - [x] manage UI buttons
 - [x] fix undo missing animation
 - [x] fix undo when circle picked
-- [ ] add about page
+- [x] add about page
 - [x] fix victory / gameover modal
 - [x] handle U, R and A keypresses
diff --git a/assets/preview-1.png b/assets/preview-1.png
new file mode 100644
index 0000000..241028b
Binary files /dev/null and b/assets/preview-1.png differ
diff --git a/assets/preview-2.png b/assets/preview-2.png
new file mode 100644
index 0000000..5afc4bf
Binary files /dev/null and b/assets/preview-2.png differ
diff --git a/assets/preview-3.png b/assets/preview-3.png
new file mode 100644
index 0000000..75235d5
Binary files /dev/null and b/assets/preview-3.png differ
diff --git a/assets/preview-4.png b/assets/preview-4.png
new file mode 100644
index 0000000..2f1d648
Binary files /dev/null and b/assets/preview-4.png differ
diff --git a/public/manifest.json b/public/manifest.json
index 96f6919..07f373c 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "Triangles.fun",
-  "short_name": "triangles",
+  "short_name": "TrianglesFun",
   "lang": "en",
   "description": "Eliminate all the circles in the triangle by jumping them over",
   "theme_color": "#bf616a",
diff --git a/rollup.config.js b/rollup.config.js
index aff272e..cb69ffe 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -36,7 +36,7 @@ function serve() {
 export default {
   input: "src/main.js",
   output: {
-    sourcemap: true,
+    sourcemap: false,
     format: "iife",
     name: "app",
     file: "public/build/bundle.js",
diff --git a/tailwind.config.js b/tailwind.config.js
index e2bf607..e437e87 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -11,6 +11,8 @@ module.exports = {
       safelist: [
         /^bg\-(green|cyan|blue|yellow|orange|red|purple)(\-(lighter|darker))?/,
         /animate-pulse/,
+        /left-0/,
+        /right-0/,
       ],
     },
   },