#form-reservas{max-width:100%;margin:0 auto;width:100%}.fila{width:100%}.media-columna,.full-columna{float:left;position:relative;padding:0.65rem;width:100%;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.tres-columnas{width:33.33%;float:left;position:relative;padding:0.65rem}.clearfix:after{content:"";display:table;clear:both}@media only screen and (min-width:48em){.media-columna{width:50%}}