body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    padding: 0;
    margin:0;
}

h1 {
    color: #333;
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    
    background: white;
}

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

table th {

    color: black;
}

tr:nth-child(even) {
    background: #f2f2f2;
}