/* CSS Document */
body    {
    font-family: arial;
    background-color: aqua;
        }
h1      {
    text-align: center;
    color: white;
    background-color: blue;
        }
th      {
    border-style: solid;
    border-width: 4px;
    background-color: silver;
    border-color: blue;
        }
table   {
    border-width: 4px;
    border-collapse: collapse;
    width: 60%;
    margin: auto;
        }
td      {
    border: solid;
    background-color: white;
        }