body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #007bff;
    padding: 10px 20px;
    color: #fff;
}

header .header-logo img {
    height: 50px;
}

header h1 {
    margin: 0;
}

.logout {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 20px;
}

main ul {
    list-style: none;
    padding: 0;
}

main ul li {
    margin: 10px 0;
}

main ul li a {
    text-decoration: none;
    color: #007bff;
    font-size: 18px;
}

.login-container {
    max-width: 300px;
    margin: 100px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 5px;
}

form label {
    display: block;
    margin-top: 10px;
}

form input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
}

button {
    margin-top: 20px;
    padding: 10px;
    width: 100%;
    background-color: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #343a40;
    color: #fff;
}