body {
    background-color: darkgray;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
}


head {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 19px;

}

h4 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;

}