Untitled

<?php
   include("config.php");
   session_start();

   if($_SERVER["REQUEST_METHOD"] == "POST") {
      // username and password sent from form

      $myusername = mysqli_real_escape_string($db,$_POST['username']);
      $mypassword = mysqli_real_escape_string($db,$_POST['password']);

      $sql = "SELECT id FROM admin WHERE username = '$myusername' and passcode = '$mypassword'";
      $result = mysqli_query($db,$sql);
      $row = mysqli_fetch_array($result,MYSQLI_ASSOC);
      $active = $row['active'];

      $count = mysqli_num_rows($result);

      // If result matched $myusername and $mypassword, table row must be 1 row

      if($count == 1) {
         $_SESSION['variable']=("myusername");
         $_SESSION['login_user'] = $myusername;

         header("Location: scratch.php");
      }else {
         $error = "Andas a tentar entrar num site q nao te pertence!";
      }
   }
?>
<html>

   <head>
      <title>Sera que sabes a chave?</title>

      <style type = "text/css">
         body {
            font-family: Impact, Haettenschweiler, "Franklin Gothic Bold", "Arial Black", "sans-serif";
			text-shadow: rgb(0, 20, 255) 0px 0px 10px, rgb(0, 126, 255) 0px 0px 10px;
            font-size:14px;
			background-color: black;
			margin-top: 20%;
         }

         label {
            font-weight:bold;
            width:100px;
            font-size:14px;
         }

         .box {
            border:dodgerblue solid 1px;
			background-color: black;
         }
      </style>

   </head>

   <body bgcolor = "black">

      <div align = "center">
         <div style = "width:300px; border: solid 2px black; " align = "left">
            <div style = "background-color:black; color:black; padding:3px;"><b>Login</b></div>

            <div style = "margin:30px">

               <form action = "" method = "post">
                  <label>Username  :</label><input autocomplete="off" type = "text" name = "username" class = "box"/><br /><br />
                  <label>Password  :</label><input autocomplete="off" type = "password" name = "password" class = "box" /><br/><br />
                 <input type = "submit" style="position: absolute; left: -9999px; value = " Submit "/><br />
               </form>

               <div style = "font-size:11px; color:black; background-color: black; margin-top:10px"><?php echo $error; ?></div>

            </div>

         </div>

      </div>

   </body>
</html>