front.html

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>home</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-gH2yIJqKdNHPEq0n4Mqa/HGKIhSkIHeL5AyhkYV8i59U5AR6csBvApHHNl/vI1Bx" crossorigin="anonymous">
    <style>
        body {
          background-image: url("..\image\copy-move image forgery system.png");
          background-repeat: no-repeat;
          background-attachment: fixed;
          background-size: cover;
        }
        </style>
  </head>
  <body>
    <nav class="navbar bg-light">
        <div class="container-fluid">
          <a class="navbar-brand">HOME</a>
          <form class="d-flex" role="search">
            
            <button class="btn btn-outline-success" type="submit"><a href="log.html">Login</a></button>
            
            <button class="btn btn-outline-success" type="submit"><a href="sign.html">Sign-up</a></button>
          </form>
        </div>
      </nav>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-A3rJD856KowSb7dwlZdYEkO39Gagi7vIsF0jrRAoQmDKKtQBHUuLZ9AsSv4jD4Xa" crossorigin="anonymous"></script>
  </body>
</html>