Form login et créer un compte style01

<!DOCTYPE html>
<html>
<head>
    <title>LOGIN PAGE GREEN ONE | 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="LOGIN PAGE GREEN ONE">
    <meta name="author" content="Mezgani said">
    <meta name="copyright" content="NGLESSON">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css">
	<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body>

    <div class="bk-login">
        <div class="container-fluid">
            <div class="row mt-5 mb-5">
                <div class="col-xl-12 col-lg-12 col-md-12 col-sm-12 col-xs-12 col-12 mt-5">  
                   
                    <h2>Sign in/up Form</h2>
                    <div class="container" id="container">
                      <div class="form-container sign-up-container">
                        <form action="#">
                          <h1>Create Account</h1>
                          <div class="social-container">
                            <a href="#" class="social"><i class="fa fa-facebook"></i></a>
                            <a href="#" class="social"><i class="fa fa-google-plus"></i></a>
                            <a href="#" class="social"><i class="fa fa-linkedin"></i></a>
                          </div>
                          <span>or use your email for registration</span>
                          <input type="text" placeholder="Name" />
                          <input type="email" placeholder="Email" />
                          <input type="password" placeholder="Password" />
                          <button>Sign Up</button>
                        </form>
                      </div>
                      <div class="form-container sign-in-container">
                        <form action="#">
                          <h1>Sign in</h1>
                          <div class="social-container">
                            <a href="#" class="social"><i class="fa fa-facebook"></i></a>
                            <a href="#" class="social"><i class="fa fa-google-plus"></i></a>
                            <a href="#" class="social"><i class="fa fa-linkedin"></i></a>
                          </div>
                          <span>or use your account</span>
                          <input type="email" placeholder="Email" />
                          <input type="password" placeholder="Password" />
                          <a href="#">Forgot your password?</a>
                          <button>Sign In</button>
                        </form>
                      </div>
                      <div class="overlay-container">
                        <div class="overlay">
                          <div class="overlay-panel overlay-left">
                            <h1>Welcome Back!</h1>
                            <p>To keep connected with us please login with your personal info</p>
                            <button class="ghost" id="signIn">Sign In</button>
                          </div>
                          <div class="overlay-panel overlay-right">
                            <h1>Hello, Friend!</h1>
                            <p>Enter your personal details and start journey with us</p>
                            <button class="ghost" id="signUp">Sign Up</button>
                          </div>
                        </div>
                      </div>
                    </div>

                </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>
</html>
@charset "utf-8";
@import url('https://fonts.googleapis.com/css?family=Montserrat:400,800');


* {
    margin:0px;
    padding:0px;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    background: #f6f5f7;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-family: 'Montserrat', sans-serif;
    height: 100vh;
    margin: -20px 0 50px;
  }

h1 {
  font-weight: bold;
  margin: 0;
}

h2 {
  text-align: center;
}

p {
  font-size: 14px;
  font-weight: 100;
  line-height: 20px;
  letter-spacing: 0.5px;
  margin: 20px 0 30px;
}

span {
  font-size: 12px;
}

a {
  color: #333;
  font-size: 14px;
  text-decoration: none;
  margin: 15px 0;
}

button {
  border-radius: 20px;
  border: 1px solid #FF4B2B;
  background-color: #FF4B2B;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: bold;
  padding: 12px 45px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: transform 80ms ease-in;
}

button:active {
  transform: scale(0.95);
}

button:focus {
  outline: none;
}

button.ghost {
  background-color: transparent;
  border-color: #FFFFFF;
}

form {
  background-color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 50px;
  height: 100%;
  text-align: center;
}

input {
  background-color: #eee;
  border: none;
  padding: 12px 15px;
  margin: 8px 0;
  width: 100%;
}

.container {
  background-color: #fff;
  border-radius: 10px;
    box-shadow: 0 14px 28px rgba(0,0,0,0.25), 
      0 10px 10px rgba(0,0,0,0.22);
  position: relative;
  overflow: hidden;
  width: 768px;
  max-width: 100%;
  min-height: 480px;
}

.form-container {
  position: absolute;
  top: 0;
  height: 100%;
  transition: all 0.6s ease-in-out;
}

.sign-in-container {
  left: 0;
  width: 50%;
  z-index: 2;
}

.container.right-panel-active .sign-in-container {
  transform: translateX(100%);
}

.sign-up-container {
  left: 0;
  width: 50%;
  opacity: 0;
  z-index: 1;
}

.container.right-panel-active .sign-up-container {
  transform: translateX(100%);
  opacity: 1;
  z-index: 5;
  animation: show 0.6s;
}

@keyframes show {
  0%, 49.99% {
    opacity: 0;
    z-index: 1;
  }
  
  50%, 100% {
    opacity: 1;
    z-index: 5;
  }
}

.overlay-container {
  position: absolute;
  top: 0;
  left: 50%;
  width: 50%;
  height: 100%;
  overflow: hidden;
  transition: transform 0.6s ease-in-out;
  z-index: 100;
}

.container.right-panel-active .overlay-container{
  transform: translateX(-100%);
}

.overlay {
  background: #FF416C;
  background: -webkit-linear-gradient(to right, #FF4B2B, #FF416C);
  background: linear-gradient(to right, #FF4B2B, #FF416C);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 0 0;
  color: #FFFFFF;
  position: relative;
  left: -100%;
  height: 100%;
  width: 200%;
    transform: translateX(0);
  transition: transform 0.6s ease-in-out;
}

.container.right-panel-active .overlay {
    transform: translateX(50%);
}

.overlay-panel {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 40px;
  text-align: center;
  top: 0;
  height: 100%;
  width: 50%;
  transform: translateX(0);
  transition: transform 0.6s ease-in-out;
}

.overlay-left {
  transform: translateX(-20%);
}

.container.right-panel-active .overlay-left {
  transform: translateX(0);
}

.overlay-right {
  right: 0;
  transform: translateX(0);
}

.container.right-panel-active .overlay-right {
  transform: translateX(20%);
}

.social-container {
  margin: 20px 0;
}

.social-container a {
  border: 1px solid #DDDDDD;
  border-radius: 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin: 0 5px;
  height: 40px;
  width: 40px;
}
const signUpButton = document.getElementById('signUp');
const signInButton = document.getElementById('signIn');
const container = document.getElementById('container');

signUpButton.addEventListener('click', () => {
  container.classList.add("right-panel-active");
});

signInButton.addEventListener('click', () => {
  container.classList.remove("right-panel-active");
});