packer-cn/website/source/assets/stylesheets/_columns.scss

.container-xs-height {
  display:table;
  padding-left:0px;
  padding-right:0px;
}


.col-xs-height {
  display:table-cell;
  float:none;
}

@media (min-width: 768px) {
  .container-sm-height {
    display:table;
    padding-left:0px;
    padding-right:0px;
  }

  .col-sm-height {
    display:table-cell;
    float:none;
  }
}

@media (min-width: 992px) {
  .container-md-height {
    display:table;
    padding-left:0px;
    padding-right:0px;
  }

  .col-md-height {
    display:table-cell;
    float:none;
  }
}

@media (min-width: 1200px) {
  .container-lg-height {
    display:table;
    padding-left:0px;
    padding-right:0px;
  }

  .col-lg-height {
    display:table-cell;
    float:none;
  }
}