.grid_1  { width:60px;  }
.grid_2  { width:140px; }
.grid_3  { width:220px; }
.grid_4  { width:300px; }
.grid_5  { width:380px; }
.grid_6  { width:460px; }
.grid_7  { width:540px; }
.grid_8  { width:620px; }
.grid_9  { width:700px; }
.grid_10 { width:780px; }
.grid_11 { width:860px; }
.grid_12 { width:940px; }

.column {
    margin: 0 10px;
    overflow: hidden;
    float: left;
    display: inline;
}

.row {
    width: 960px;
    margin: 0 auto;
    overflow: hidden;
}

.row .row {
    margin: 0 -10px;
    width: auto;
    display: inline-block;
}