<form class="box">
<input type="text" name="username" placeholder="Kullanıcı Adı" id="uname" required autocomplete="off">
<input type="password" name="password" placeholder="Şifre" id="pass" required>
<input type="checkbox">Oturumu Açık Tut
<input type="submit" value="Giriş Yap" id="active">
</form>