.row {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-right: 0;
  margin-left: 0;
  padding-left: 0px;
  height: auto;
}

.container {
  max-width: 1200px !important;
  padding-left: 0px;
  padding-right: 0px;
}

.fondoprincipal:before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(7,88,113,0.6) !important;
}

.columna {
  width: 33.3%;
}