:root{color:#222;-webkit-text-size-adjust:100%;background-color:#fff;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,sans-serif}*{box-sizing:border-box}body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);margin:0}.app{padding:24px 16px}h1{margin:0 0 8px;font-size:28px}