<?php
$Msg = $_GET['Msg'];
?>
<!doctype html>
<html>

<head>
  <meta charset="utf-8">
  <title>-- SAG -- </title>
  <link href="Diseno/Acceso.css" rel="stylesheet" type="text/css">
</head>

<body>
  <div class="box">
    <h2>Login</h2>
    <form name="Acceso" method="post" action="Web_Admin/Verifica.php">
      <div class="inputBox">
        <input type="text" name="UserName" required="">
        <label>Usuario</label>
      </div>
      <div class="inputBox">
        <input type="password" name="Passwod" required="">
        <label>Contraseña</label>
      </div>
      <input type="submit" name="" value="Ingresar">
    </form>
    <p class="link"><?php echo $Msg; ?></p>
  </div>

</body>

</html>