.links table {
    width: auto;
    border-collapse: collapse;
}

.links th, .links td {
    border-bottom: 1px solid black;
    padding: .4em;
    text-align: left;
}

.links tbody tr:hover {
    color: white;
    background-color: #004080;
}

.catalog table {
    width: auto;
    border-collapse: collapse;
}

.catalog th, .catalog td {
    border-bottom: 1px solid black;
    padding: .4em;
    text-align: left;
}