Bu size yardımcı olabilir. 

<!DOCTYPE html>

<html lang="tr">

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width, initial-scale=1.0">

  <title>Başlık</title>

  <link rel="stylesheet" href="style.css">

</head>

<body>

  <header>

    <div class="container">

      <div class="logo">

        <h1>Test</h1>

      </div>

      <nav>

        <ul>

          <li><a href="#">Anasayfa</a></li>

          <li><a href="#">Kurumsal</a></li>

          <li><a href="#">Boya Grubu</a></li>

          <li><a href="#">Yalıtım Grubu</a></li>

          <li><a href="#">Dekoratif Ürünler</a></li>

          <li><a href="#">İletişim</a></li>

        </ul>

      </nav>

      <div class="bilgiler">

        <p>6000</p>

        <p>Mon-Sat: 8.00-18.00</p>

        <p>411 University St, Seattle</p>

        <p><a href="tel:+1-800-456-478-23">+1-800-456-478-23</a></p>

      </div>

    </div>

  </header>

 

  <main>

    </main>

 

  <footer>

    <p>&copy; 2024 Test</p>

  </footer>

 

  <script src="script.js"></script>

</body>

</html>

body { font-family: Arial, sans-serif; margin: 0; padding: 0; } header { background-color: #f0f0f0; padding: 20px; } .container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; } .logo { flex: 0 0 200px; } .logo h1 { margin: 0; padding: 0; font-size: 24px; } nav { flex: 1; text-align: center; } nav ul { list-style: none; margin: 0; padding: 0; } nav li { display: inline-block; margin: 0 10px; } nav a { text-decoration: none; color: #333; } .bilgiler { flex: 0 0 200px; text-align: right; } .bilgiler p { margin: 0; padding: 0; font-size: 12px; } .bilgiler a { color: #333; } main { padding: 20px; } footer { background-color: #f0f0f0; text-align: center; padding: 10px; } footer p { margin: 0; padding: 0; font-size: 12px; }