body {
    font-family: Arial, sans-serif;
    background: #f0f0f0;
    margin: 0;
    padding: 0;
}

.login-container, .protected-container {
    background: #fff;
    width: 300px;
    margin: 100px auto;
    padding: 30px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
    text-align: center;
}

.login-container h1, .protected-container h1 {
    margin-top: 0;
    font-weight: normal;
}

.login-container label {
    display: block;
    text-align: left;
    margin-bottom: 8px;
    font-weight: bold;
    margin-top: 20px;
}

.login-container input {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.login-container button,
.protected-container a {
    display: inline-block;
    width: 100%;
    padding: 10px;
    background: #4CAF50;
    color: #fff;
    text-decoration: none;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
}

.login-container button:hover,
.protected-container a:hover {
    background: #45a049;
}

p {
    margin: 20px 0;
}