Classic Minimalist Login Form

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Classic Minimalist Login Form</title>
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');
        body {
            font-family: 'Montserrat', sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: #fafafa;
            margin: 0;
        }
        .login-container {
            background: #fff;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            text-align: center;
            width: 300px;
        }
        .login-container h2 {
            margin: 0 0 20px;
            color: #333;
        }
        .login-container .input-group {
            margin: 10px 0;
            position: relative;
        }
        .login-container .input-group input {
            width: 80%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
            outline: none;
            transition: border-color 0.3s ease;
        }
        .login-container .input-group input:focus {
            border-color: #333;
        }
        .login-container .btn {
            background: #333;
            color: #fff;
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease;
            width: 90%;
        }
        .login-container .btn:hover {
            background: #555;
        }
    </style>
</head>
<body>
    <div class="login-container">
        <h2>Login</h2>
        <div class="input-group">
            <input type="text" id="username" placeholder="Username">
        </div>
        <div class="input-group">
            <input type="password" id="password" placeholder="Password">
        </div>
        <button type="button" class="btn" onclick="login()">Login</button>
    </div>
    <script>
        function login() {
            const username = document.getElementById('username').value;
            const password = document.getElementById('password').value;
            if (username && password) {
                alert(`Welcome, ${username}!`);
            } else {
                alert('Please enter both username and password.');
            }
        }
    </script>
</body>
</html>

Classic Minimalist Login Form - MeggiTools