:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{margin:0}main{max-width:720px;margin:0 auto;padding:24px 16px}.preview{margin-top:16px;position:relative}.preview img{width:100%;display:block}.box{box-sizing:border-box;border:3px solid #22c55e;position:absolute}.error{color:#dc2626}table{border-collapse:collapse;width:100%;margin-top:16px}th,td{text-align:left;border-bottom:1px solid #8884;padding:6px 8px}