body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
}

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

main {
    padding: 20px;
}

form {
    margin-bottom: 20px;
}

input[type="text"] {
    width: 300px;
    padding: 8px;
}

button {
    padding: 8px 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}