.box_1517222750878{background-color:#069;color:#fff;width:100%;height:100%;float:left}.box_1517222750881{background-color:#00f;color:#fff;width:100%;height:100%;float:left;background-image:none;background-position:50% 50%;background-size:contain;background-repeat:no-repeat}.t_1517222750882{background-color:#015e43;background-image:url("https://didattica.polito.it/zxd/b5eda0a74558a342cf659187f06f746f/9d65f941adde2264db58127957631778/51701813a942ce51e050c0828c3721ec?1496912470717");background-position:50% 50%;background-size:cover;background-repeat:no-repeat}.box_1517222750884{background-color:#390810;color:#fff;width:100%;height:100%;float:left}.t_1517222750885{background-image:url("https://didattica.polito.it/zxd/b5eda0a74558a342cf659187f06f746f/9d65f941adde2264db58127957631778/51701813a942ce51e050c0828c3721ec?1496912470717");background-position:50% 50%;background-size:cover;background-repeat:no-repeat}.t_1517222750879{background-image:url("https://didattica.polito.it/zxd/b5eda0a74558a342cf659187f06f746f/9d65f941adde2264db58127957631778/51701813a942ce51e050c0828c3721ec?1496912470717");background-position:50% 50%;background-size:cover;background-repeat:no-repeat;background-color:#0a45bc}.s_1517222750876{margin-left:-10px;margin-right:-10px}.box_1517222750877{width:33.33%;height:120px;float:left;padding:10px}.box_1517222750880{width:33.33%;height:120px;padding:10px;float:left;display:block}.box_1517222750883{width:33.33%;height:120px;float:left;padding:10px} 