Try this ;)
CSS
.table {
display: table;
width: 500px;
}
.tr {
display: table-row;
}
.td {
display: table-cell;
}
HTML
<div class="table">
<div class="tr">
<div class="td">asdf</div>
<div class="td">asdf</div>
<div class="td">asdf</div>
</div>
<div class="tr">
<div class="td">asdf</div>
<div class="td">asdf</div>
<div class="td">asdf</div>
</div>
</div>