@media (min-width: 1200px) {
.this.row >div:nth-child(3n+4){
clear: left;
}
}
@media (min-width: 992px) {
.this.row >div:nth-child(3n+4){
clear: left;
}
}
@media (min-width: 769px) and (max-width: 992px) {
.this.row >div:nth-child(2n+3){
clear: left;
}
}