Here is what I pasted into my css sheet. I simply adjusted the width of how wide I wanted the table.
.tix_tickets_table {
background-color: #ebe9ea;
width: 920px;
}
.tix-column-remaining {
text-align: center;
}
.tix-column-price {
text-align: center;
}
.tix-column-quantity {
text-align: center;
}