#responsive-form{max-width:100%;margin:0 auto;width:100%}.form-row{width:100%}.column-half,.column-full{float:left;position:relative;padding:0.65rem;width:100%;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.clearfix:after{content:"";display:table;clear:both}@media only screen and (min-width:48em){.column-half{width:50%}}