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

header {
    background: #000000;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
}

.logo img {
    max-width: 150px;
}

h1 {
    margin: 10px 0;
}

main {
    padding: 20px;
}

h2 {
    color: #333;
}

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

ul li {
    background: #e2e2e2;
    margin: 5px 0;
    padding: 10px;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 10px 0;
    background: #007BFF;
    color: #ffffff;
    position: absolute;
    width: 100%;
    bottom: 0;
}