diff --git a/.prettierrc b/.prettierrc
deleted file mode 100644
index 0a72520..0000000
--- a/.prettierrc
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "trailingComma": "es5",
-  "tabWidth": 2,
-  "semi": true,
-  "singleQuote": true
-}
diff --git a/index.html b/index.html
index 8c5679f..84820f9 100644
--- a/index.html
+++ b/index.html
@@ -1,20 +1,18 @@
 <!DOCTYPE html>
 <html lang="hu">
   <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>TAJ Validator</title>
-    <script src="script.js" async></script>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
     <link rel="stylesheet" href="style.css" />
+    <script async src="script.js"></script>
   </head>
   <body>
     <h1>TAJ Validator</h1>
-
     <form>
       <input type="text" id="taj" oninput="restrictInput(this, 'number')" />
       <button type="submit" onclick="checkTAJ()">Ellenőrzés</button>
     </form>
-
     <p id="result"></p>
   </body>
 </html>
diff --git a/script.js b/script.js
index 18b12ee..d45df55 100644
--- a/script.js
+++ b/script.js
@@ -1,4 +1,3 @@
-// Input 0
 function restrictInput(a) {
   a.value = a.value.replace(/[^0-9]/g, "").slice(0, 9);
 }
@@ -7,7 +6,7 @@ function validateTAJ(a) {
   if (9 != a.length) {
     return !1;
   }
-  for (var c = 0, d = "", b = 0; b < a.length; b++) {
+  for (var c = 0, d = '', b = 0; b < a.length; b++) {
     7 >= b && (c += 0 == (b + 1) % 2 ? 7 * parseInt(a[b]) : 3 * parseInt(a[b]), d += a[b]);
   }
   return a == d + c % 10;
@@ -19,5 +18,4 @@ function checkTAJ() {
   c.textContent = a ? "A TAJ sz\u00e1m \u00e9rv\u00e9nyes." : "A TAJ sz\u00e1m \u00e9rv\u00e9nytelen.";
   c.style.color = a ? "#4CAF50" : "#FF5733";
   return a;
-}
-;
\ No newline at end of file
+};
\ No newline at end of file
diff --git a/style.css b/style.css
index d44a429..0578101 100644
--- a/style.css
+++ b/style.css
@@ -1,35 +1,32 @@
+body,
+input {
+  width: 100%;
+  text-align: center;
+}
 body {
   font-family: Arial, sans-serif;
   background-color: #121212;
   color: #338ef7;
-  text-align: center;
   font-size: 1.5rem;
   margin: 10% auto;
-  width: 100%;
 }
-
 form {
   max-width: 300px;
   margin: 0 auto;
 }
-
-label,
-input {
+input,
+label {
   margin: 10px 0;
   color: #338ef7;
   font-size: 2rem;
 }
-
 input {
-  width: 100%;
   padding: 10px;
   border: 1px solid #338ef7;
   border-radius: 5px;
   background-color: #333;
   box-sizing: border-box;
-  text-align: center;
 }
-
 button {
   background-color: #338ef7;
   color: #efefef;
@@ -39,14 +36,12 @@ button {
   border-radius: 5px;
   cursor: pointer;
   font-size: 1rem;
-  font-weight: bold;
+  font-weight: 700;
 }
-
 input::-webkit-inner-spin-button {
   -webkit-appearance: none;
   margin: 0;
 }
-
 input[type='number'] {
   -moz-appearance: textfield;
 }
