body {
    background-image: url(../images/tiling-corn.jpg);
    background-size: 15%; 
}
h1 {
    margin: auto;
    text-align: center;
    text-decoration: underline;
}
p.top{
    margin-left: 200px;
    margin-right: 200px;
    text-align: center;
    background-color: bisque;
}
table, th, td{
    margin: 0px auto;
    border: 1px solid black;
}
th, td{
    background-color: bisque;
}