body main{margin:0 auto;width:100%;box-sizing:border-box}.demo-use{margin:24px 0 30px;text-align:center}.demo-use a{display:inline-block}.demo-use .helper{max-width:480px;margin:12px auto;line-height:1.7}.demo-controls{padding:22px}.demo-controls input,.demo-controls select,#demoRsvp input,#demoRsvp select{box-sizing:border-box;min-width:0;max-width:100%;width:100%;font-size:16px}.demo-controls [hidden],#demoRsvp [hidden]{display:none!important}#demoRsvp,#demoNames{display:grid;gap:16px;text-align:left}#demoRsvp label{display:grid;gap:8px}#demoRsvpResult{line-height:1.7;font-size:14px}#demoResponse h2{font-size:27px}.demo-controls label{line-height:1.5}@media(max-width:480px){.demo-controls,#demoResponse{padding:20px}main h1{font-size:30px}.demo-use a{width:100%;box-sizing:border-box}}