body {
    background-color: #488a99;
}
p {
    font-size: 20px;
}
table {
    border-collapse: collapse;
    margin: auto;
    margin-top: 50px;       
    background-color: white;
}
td {
    padding: 10px;
    text-align: center;
    border: 1px solid;
}
h1 {
    text-align: center;
    color: white;
    font-family: 'Times New Roman', Times, serif, sans-serif;
    margin-top: 50px;
    margin-right: 200px;
    font-size: 300%;
}
input[type=number] {
    padding: 8px;
    border: none;
    font-size: 16px;
    border-radius: 5px;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-right: 10px;
    width: 80px;
}
button {
    padding: 8px;
    color: white;
    background-color: #1f3f49;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 20px;
    margin-bottom: 20px;
}