body {
    font-family: Arial, sans-serif;
    max-width: 500px;
    margin: 20px;
}

div {
    margin: 10px 0;
}

label {
    display: block;
    margin-bottom: 5px;
}

select {
    width: 100%;
    padding: 5px;
}

button {
    padding: 10px 20px;
    margin-top: 20px;
    cursor: pointer;
}

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

li {
    background: #f0f0f0;
    padding: 10px;
    margin: 5px 0;
    border-radius: 3px;
}