Form login with background image changed style01

<!DOCTYPE html>
<html>
<head>
    <title>FORM LOGIN WITH BACKGROUND IMAGE CHANGED | par NGLESSON</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="keyword" content="FORM LOGIN WITH BACKGROUND IMAGE CHANGED">
    <meta name="author" content="Mezgani said">
    <meta name="copyright" content="NGLESSON">
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet" type="text/css">
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" type="text/css">
    <link href="style.css"  rel="stylesheet" type="text/css">
</head>
<body class="body-login page-login">
    <div class="container h-100">
        <div class="row h-100 justify-content-center align-items-center mx-auto">
            <div class="col-xl-6 col-lg-6 col-md-8 col-sm-12 col-xs-12 col-12">  
                <div class="card card-login">
                    <div class="row d-flex-bloc">
                        <div class="col-xl-6 col-lg-6 col-md-6 col-sm-6 col-xs-12 col-12 text-center offset-xl-3 offset-lg-3 offset-md-3">
                            <img src="../../assets/imgs/logo/nglesson.png" class="img-fluid mt-3 p-2" alt="" title="" width="250px" height="auto">
                         </div>
                    </div>
                    <form action="" method="" class="p-3 mb-2">
                        <div class="form-group">
                          <label for="inputlogin">Login :</label>
                          <input 
                            type="email" 
                            class="form-control" 
                            placeholder="Entrez votre login" 
                            id="inputlogin" 
                            name="inputlogin"
                            maxlength="4" 
                            minlength="100"
                            pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$"
                            title="Votre format email est invalide" 
                            email required
                          >
                        </div>
                        <div class="form-group">
                          <label for="inputpass">Mot de passe :</label>
                          <input 
                            type="password" 
                            class="form-control" 
                            placeholder="Entrez votre mot de passe" 
                            id="inputpass" 
                            name="inputpass" 
                            maxlength="2" 
                            minlength="100"
                            pattern=".{2,100}"
                            required
                          >
                        </div>
                        <div class="form-group text-center mt-5">
                            <button type="submit" class="btn btn-success btn-md">
                                <i class="fa fa-sign-in"></i> Se connecter
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
	<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
	<script type="text/javascript" src="script.js"></script>
</body>

@charset "utf-8";

/**************************
## Style Login
**************************/
.body-login{
    background-image: linear-gradient(90deg,rgb(0, 0, 0, 0.5) 100%, rgb(0, 0, 0, 0.5) 100%), url('../../assets/imgs/forcode/bkpage1.jpg');
    background-color: #292929;
    font-family: 'Ubuntu';
    overflow-x: hidden !important;
	width: 100%;
    height: 100%;
    background-position: center center;
    background-attachment: fixed;
    background-size: cover;
    background-repeat: no-repeat;
}
.card-login{
    margin-top: 30%;
    border: 1px solid #f1f1f1;
    background: rgba(255,255,255,0.9);
    box-shadow: 8px 7px 13px 0 rgba(0,0,0,.1);
}


@media (max-width: 650px) {
    .card-login{
        margin-top: 15%;
    }
}


$(document).ready(function () {
    changeBackgroundOne();
});

function changeBackgroundOne(){
    var headerone = $('.page-login');
    var backgroundsone = new Array(
        'linear-gradient(90deg,rgb(41, 41, 41, 0.5) 100%, rgb(41, 41, 41, 0.5) 100%), url(../../assets/imgs/forcode/bkpage1.jpg)', 
        'linear-gradient(90deg,rgb(41, 41, 41, 0.5) 100%, rgb(41, 41, 41, 0.5) 100%), url(../../assets/imgs/forcode/bkpage2.jpg)',
        'linear-gradient(90deg,rgb(41, 41, 41, 0.5) 100%, rgb(41, 41, 41, 0.5) 100%), url(../../assets/imgs/forcode/bkpage3.jpg)');
    var currentone = 0;
    function nextBackgroundone() {
        currentone++;
        currentone = currentone % backgroundsone.length;
        headerone.css('background-image', backgroundsone[currentone]);
    }
    setInterval(nextBackgroundone, 5000);
    headerone.css('background-image', backgroundsone[0]);
}