.container_12,.container_16{margin-left:auto;margin-right:auto;width:400px}

.grid_1,.grid_2,.grid_3,.grid_4,.grid_5,.grid_6,.grid_7,.grid_8,.grid_9,.grid_10,.grid_11,.grid_12,.grid_13,.grid_14,.grid_15,.grid_16{float:left;
position:relative;
width:335px;
z-index:100
}