Webleb - HTML UI Elements - Um Código de Skyrreum

<!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">
      <title>Login Or Sign</title>
      <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.3.0/css/all.min.css"
          integrity="sha512-SzlrxWUlpfuzQ+pcUCosxcglQRNAq/DZjVsC0lE40xsADsfeQoEypE+enwcOiGjk/bSuGGKHEyjSoQ1zVisanQ=="
          crossorigin="anonymous" referrerpolicy="no-referrer" />
      <link rel="stylesheet" href="/css/styles.css">
  </head>
  <body style="display:flex; align-items:center; justify-content:center;">
  <div class="login-page">
    <div class="form">
      <form class="register-form" method="POST">
        <h2><i class="fas fa-lock"></i> Register</h2>
        <input type="text" placeholder="Full Name *" required/>
        <input type="text" placeholder="Username *" required/>
        <input type="email" placeholder="Email *" required/>
        <input type="password" placeholder="Password *" required/>
        <button type="submit">create</button>
        <p class="message">Already registered? <a href="#">Sign In</a></p>
      </form>
      <form class="login-form" method="post">
        <h2><i class="fas fa-lock"></i> Login</h2>
        <input type="text" placeholder="Username" required />
        <input type="password" placeholder="Password" required/>
        <button type="submit" name="send2">login</button>
        <p class="message">Not registered? <a href="#">Create an account</a></p>
      </form>
    </div>
  </div>
  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
  <script src="/js/main.js"></script>
  </body>
  </html>

@import url(https://fonts.googleapis.com/css?family=Poppins:300);

body{
      height: 100vh;
      overflow: hidden;
      font-family: "Poppins";
    background: #0e2941;
  }
  .login-page {
    width: 400px;
    padding: 8% 0 0;
    margin: auto;
  }
  .form {
    position: relative;
    z-index: 1;
    background: #FFFFFF;
    max-width: 400px;
    margin: 0 auto 100px;
    padding: 45px;
    text-align: center;
    border-radius: 15px;
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
  }
  .form input {
    font-family: "Poppins", sans-serif;
    outline: 0;
    background: #f2f2f2;
    width: 100%;
    border: 0;
    border-radius: 7px;
    margin: 0 0 15px;
    padding: 15px;
    box-sizing: border-box;
    font-size: 14px;
    
  }
  .form button {
    font-family: "Poppins", sans-serif;
    text-transform: uppercase;
    outline: 0;
    background: #e30000;
    width: 100%;
    border: 0;
    padding: 15px;
    color: #FFFFFF;
    border-radius: 7px;
    font-size: 14px;
    -webkit-transition: all 0.3 ease;
    transition: all 0.3 ease;
    cursor: pointer;
  }
  .form button:hover,.form button:active,.form button:focus {
    background: #410e0e;
  }
  .form .message {
    margin: 15px 0 0;
    color: #b3b3b3;
    font-size: 12px;
  }
  .form .message a {
    color: #662323;
    text-decoration: none;
  }
  .form .register-form {
    display: none;
  }

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HTML

CSS

@import url(https://fonts.googleapis.com/css?family=Poppins:300);