* { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'Arial', sans-serif; background-color: #f5f5f5; display: flex; justify-content: center; align-items: center; height: 100vh; } .container { display: flex; justify-content: center; align-items: center; flex-direction: column; } .form-wrapper { display: flex; justify-content: center; align-items: center; height: 100%; } .form-container { width: 100%; max-width: 400px; background-color: #fff; padding: 30px; border: 1px; border-radius: 10px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); } h2 { margin-bottom: 20px; text-align: center; color: #333; } .form input { width: 100%; padding: 12px; margin: 10px 0; border: 1px solid #ddd; border-radius: 5px; font-size: 14px; transition: 0.3s; } .form input:focus { border-color: #4CAF50; outline: none; } .form button { width: 100%; padding: 12px; background-color: #4CAF50; color: white; font-size: 16px; border: none; border-radius: 5px; cursor: pointer; transition: 0.3s; } .form button:hover { background-color: #45a049; } .form .toggle-link { text-align: center; color: #4CAF50; cursor: pointer; margin-top: 20px; font-size: 14px; } .form .toggle-link:hover { text-decoration: underline; } form { display: none; } form:first-child { display: block; }