body {
    font-family: sans-serif;
    margin: 20px;
}

section {
    margin-bottom: 30px;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
}

th {
    background-color: #fff;
}

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