body, div, td, th {
    font-family: Arial, Helvetica, Sans-serif;
    font-size: 16px;
    color: #800000;
}

h1 {
    font-size: 36px;
    color: black;
}

h2 {
    font-size: 32px;
    color: red;
}
h3 {
    font-size: 24px;
}