body {
    margin: 0;
    padding: 0;
    background-color: white;
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

main {
    text-align: center;
    max-width: 500px;
}

input {
    padding: 8px;
    font-size: 16px;
    margin-top: 10px;
}

button {
    padding: 8px 16px;
    margin-left: 8px;
    font-size: 16px;
    cursor: pointer;
}

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

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