body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.navbar {
    background-color: #333;
    color: #fff;
    display: flex;
    justify-content: space-between;
    padding: 1em;
}

.navbar a, .navbar span {
    color: #fff;
    text-decoration: none;
    padding: 0.5em;
}

.container {
    margin: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

input[type="file"], input[type="text"], input[type="password"], button {
    display: block;
    margin: 10px 0;
    padding: 10px;
}

button {
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}