diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..40b878d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules/
\ No newline at end of file
diff --git a/README.md b/README.md
index cf7f493..6348a69 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,16 @@
-# ariketa-03
+# Ariketa-03
+03.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Pug
 
-03.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Pug
\ No newline at end of file
+https://apunteak.lainoa.eus/post60427300b75d960d00823bb7
+
+## Instalakuntza
+    git clone https://git.lainoa.eus/aitzol/ariketa-03.git
+    cd ariketa-03
+    npm install
+
+## Test
+    node index.js
+<a href="http://localhost:8080" target="_blank">localhost:8080</a>
+
+## Demo
+[demoa](https://lainoa.eus/demoak/ariketa-03)
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..7b2e548
--- /dev/null
+++ b/index.js
@@ -0,0 +1,29 @@
+const express = require('express');
+const app = express();
+const path = require('path');
+
+app.set('port', 8080);
+app.use(express.static(path.join(__dirname, 'public')));
+app.use('/images', express.static(path.join(__dirname, 'public/images')));
+
+app.get('/', (req, res) => {
+	res.status(200).sendFile(__dirname + '/index.html');
+});
+
+app.get('/irudiak', (req, res) => {
+	res.status(200).sendFile(__dirname + '/irudiak.html');
+});
+
+app.get('/irudi_:num', (req, res) =>{
+	var num = req.params.num;
+	res.status(200).sendFile(__dirname + '/irudi_'+num+'.html');
+});
+
+app.get('*', (req, res, next) => {
+	res.status(200).send('Eskatu duzun orrialdea ez da aurkitu!');
+	next();
+});
+
+app.listen(app.get('port'), () => {
+	console.log('Zerbitzaria martxan ' + app.get('port') + ' atakan');
+});
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..71b52f9
--- /dev/null
+++ b/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "ariketa-03",
+  "version": "1.0.2",
+  "description": "03.-Oinarrizko web aplikazio bat eraiki Node.js, Express.js eta Pug erabiliz - Pug",
+  "main": "index.js",
+  "dependencies": {
+    "express": "^4.17.1"
+  },
+  "devDependencies": {},
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node index.js"
+  },
+  "author": "superuser@lainoa.eus",
+  "license": "GPL-3.0-or-later"
+}
+
diff --git a/public/css/styles.css b/public/css/styles.css
new file mode 100644
index 0000000..a3c482f
--- /dev/null
+++ b/public/css/styles.css
@@ -0,0 +1,43 @@
+.edukiontzia {
+	display: table;
+	margin:auto;
+}
+
+.item1 { grid-area: irudi1; }
+.item2 { grid-area: irudi2; }
+.item3 { grid-area: irudi3; }
+
+.irudi_1, .irudi_2, .irudi_3 {
+	width: 180px;
+}
+
+.irudiak{
+  display: grid;
+  grid-template-areas:
+    'irudi1 irudi2 irudi3';
+  grid-gap: 10px;
+  padding: 10px;
+  width: max-content;
+}
+
+
+@media only screen and (max-width: 360px) {
+	.irudiak{
+		grid-template-areas: 
+			'irudi1'
+			'irudi2'
+			'irudi3';
+	}
+}
+@media only screen and (max-width: 640px) {
+	.irudi{
+		width: 200px;
+	}
+}
+
+a {
+	text-decoration: none;
+}
+a:visited {
+	color: blue;
+}
\ No newline at end of file
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