.cmm-ul--level-2 {
  width: 200%;
}

.cmm-column--level-2 {
  position: relative;
}

.cmm-ul--level-3 {
  position: relative;
  top: 0;
  left: 100%;
  width: 100%;
}

.cmm-li.active > .cmm-ul {
  display: flex;
}