diff --git a/Challenge 1/script.js b/Challenge 1/assets/script.js
similarity index 100%
rename from Challenge 1/script.js
rename to Challenge 1/assets/script.js
diff --git a/Challenge 1/styles.css b/Challenge 1/assets/styles.css
similarity index 100%
rename from Challenge 1/styles.css
rename to Challenge 1/assets/styles.css
diff --git a/Challenge 1/index.html b/Challenge 1/index.html
index 70f2504..9adc419 100644
--- a/Challenge 1/index.html	
+++ b/Challenge 1/index.html	
@@ -1,21 +1,19 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Document</title>
+    <link rel="stylesheet" href="assets/styles.css" />
+  </head>
 
-<head>
-	<meta charset="UTF-8">
-	<meta name="viewport" content="width=device-width, initial-scale=1.0">
-	<title>Document</title>
-	<link rel="stylesheet" href="styles.css">
-</head>
-
-<body>
-	<main>
-		<div id="slider">
-			<div id="img"></div>
-			<div id="points"></div>
-		</div>
-	</main>
-</body>
-<script src="./script.js"></script>
-
+  <body>
+    <main>
+      <div id="slider">
+        <div id="img"></div>
+        <div id="points"></div>
+      </div>
+    </main>
+  </body>
+  <script src="assets/script.js"></script>
 </html>
diff --git a/Challenge 2/script.js b/Challenge 2/assets/script.js
similarity index 100%
rename from Challenge 2/script.js
rename to Challenge 2/assets/script.js
diff --git a/Challenge 2/styles.css b/Challenge 2/assets/styles.css
similarity index 100%
rename from Challenge 2/styles.css
rename to Challenge 2/assets/styles.css
diff --git a/Challenge 2/index.html b/Challenge 2/index.html
index 5d12e97..7b3121d 100644
--- a/Challenge 2/index.html	
+++ b/Challenge 2/index.html	
@@ -1,13 +1,11 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
+  <head>
+    <link type="text/css" rel="stylesheet" href="assets/styles.css" />
+    <script differ src="assets/script.js"></script>
+  </head>
 
-<head>
-  <link type="text/css" rel="stylesheet" href="styles.css">
-  <script differ src="script.js"></script>
-</head>
-
-<body>
-  <div id="sudoku"></div>
-</body>
-
+  <body>
+    <div id="sudoku"></div>
+  </body>
 </html>
diff --git a/index.html b/index.html
index b940e31..201b41e 100644
--- a/index.html
+++ b/index.html
@@ -5,12 +5,12 @@
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>Web challenges for newbies</title>
     <style>
-      *{
+      * {
         margin: 0;
         padding: 0;
         box-sizing: border-box;
       }
-      main{
+      main {
         display: flex;
         flex-direction: column;
         justify-content: center;
@@ -20,17 +20,17 @@
       div {
         border-radius: 0.25rem;
         box-shadow: 3px 3px 10px #bebec0;
-        padding: .5rem;
-        margin: .5rem; 
+        padding: 0.5rem;
+        margin: 0.5rem;
       }
       ul > li {
         cursor: pointer;
         list-style: none;
         border-bottom: 2px transparent solid;
-        transition: ease .5s;
+        transition: ease 0.5s;
       }
-      ul > li:nth-child(odd){
-        margin: .25rem 0;
+      ul > li:nth-child(odd) {
+        margin: 0.25rem 0;
       }
       ul > li:hover {
         border-bottom: 2px black solid;
@@ -39,7 +39,6 @@
   </head>
   <body>
     <main>
-      <!-- center div -->
       <div>
         <h3>Welcome to Challenges for newbies</h3>
         <ul id="items">
@@ -52,15 +51,15 @@ <h3>Welcome to Challenges for newbies</h3>
     </main>
   </body>
   <script>
-    const base = document.getElementById("items")
-    const child = base.children
-    for(let i = 0; i < child.length; i++){
-      const c = child[i]
+    const base = document.getElementById("items");
+    const child = base.children;
+    for (let i = 0; i < child.length; i++) {
+      const c = child[i];
       c.addEventListener("click", () => {
-        if(c.textContent != ""){
-          location.href = `/Challenge ${i + 1}`
+        if (c.textContent != "") {
+          location.href = `/Challenge ${i + 1}`;
         }
-      })
+      });
     }
   </script>
 </html>
