body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
h1, h2 {
    color: #333;
}
ul {
    list-style-type: none;
    padding: 0;
}
li {
    margin: 10px 0;
}
form {
    margin: 20px 0;
}
input, button {
    padding: 10px;
    margin: 5px;
}