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

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

h1 {
    font-size: 2em;
    margin: 0;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 20px;
}

h2 {
    font-size: 1.5em;
    margin-bottom: 10px;
}

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

li {
    margin-bottom: 5px;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}

/* Media queries for responsiveness */

@media only screen and (max-width: 768px) {
    h1 {
        font-size: 1.2em;
    }
    h2 {
        font-size: 1em;
    }
}