.fizzbuzz-pair-left pre {
    margin-left: 10px;
    text-align: center;
    width: 8em;
}

.fizzbuzz-pair-right pre {
    margin-right: 10px;
    text-align: center;
    width: 8em;
}

.fizzbuzz-pair-right input {
    margin-right: 10px;
    text-align: center;
    width: 8em;
}

table, th, tr, td {
    border: none;
}