<div class="form-group"> <label class="control-label col-md-3 col-sm-3 col-xs-12">{{ lang.t("Disk Space") }} <span class="required">*</span></label> <div class="col-md-6 col-sm-6 col-xs-12"> <div class="input-group"> <input class="form-control" ng-model="saveData.usage" type="text" value="saveData.usage" /> <span class="input-group-addon"> MB </span> </div> </div> </div>