body {
    margin-top: 75px; /* 100px is double the height of the navbar - I made it a big larger for some more space - keep it at 50px at least if you want to use the fixed top nav */
}

footer {
    margin: 50px 0;
}

table {
   background-color:#e0e0ff
}

tbody td, th {
    border: 1px solid black;
    padding: 3px 7px 2px 7px;
}

thead td, th {
    border: 1px solid black;
    padding: 3px 7px 2px 7px;
    font-weight: bold;
}

tbody tr:nth-child(odd) {
   background-color:#d0d0ff
}