put divs in rows and colums

1//html
2
3<div class="Row">
4    <div class="Column">C1</div>
5    <div class="Column">C2</div>
6    <div class="Column">C3</div>
7</div>
8
9//css
10
11.Row {
12    display: table;
13    width: 100%; /*Optional*/
14    table-layout: fixed; /*Optional*/
15    border-spacing: 10px; /*Optional*/
16}
17.Column {
18    display: table-cell;
19    background-color: red; /*Optional*/
20}