h1 {
    background-color: black;
    color: white;
}
h2 {
    background-color: lightskyblue;
}
h3 {
    color: lightcoral;
}
table {
            border-collapse: collapse;
            width: 100%;
        }
        th, td {
            border: 1px solid black;
            padding: 8px;
            text-align: center;
            width: 8%;
        }
        th, tr:nth-child(odd)  {
            background-color: #BBBBBB;
        }
        head, body {
            font-family: Arial, sans-serif;
        }
        h1 {
            background-color: #000000;
            color: rgb(255, 255, 255);
            padding: 10px;
}