HTML Login/Register Form Redesign

<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="login_styles.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<title>Login</title>
</head>

<body>
<div class="container">
<div class="card">
<div class="inner-box" id="card">
<div class="card-front">
<h2>LOGIN</h2>
<form>
<div class="input-icons">
<i class="fa fa-envelope"></i>
<input type="email" class="input-box" placeholder="Email ID" required>
<i class="fa fa-key"></i>
<input type="password" class="input-box" placeholder="Password" required>
<button type="submit" class="submit-btn">Login</button>
<input type="checkbox"><span>Remember Me</span>
</div>
</form>
<button type="button" class="btn" onclick="openRegister()">I am new here</button>
<a href="">Forgot Password</a>
</div>
<div class="card-back">
<h2>REGISTER</h2>
<form>
<input type="text" class="input-box" placeholder="Your Name" required>
<input type="email" class="input-box" placeholder="Email ID" required>
<input type="password" class="input-box" placeholder="Password" required>
<button type="submit" class="submit-btn">Submit</button>
<!-- <input type="checkbox"><span>Remember Me</span> -->
</form>
<button type="button" class="btn" onclick="openLogin()">I have an account</button>
<a href="">Forgot Password</a>
</div>
</div>
</div>
</div>

<script>
var card = document.getElementById("card");

function openRegister() {
card.style.transform = "rotateY(-180deg)";
}

function openLogin() {
card.style.transform = "rotateY(0deg)";
}
</script>
</body>

</html>