:root{color-scheme:light dark;font-family:system-ui,sans-serif;line-height:1.5}body{margin:0}main{max-inline-size:60rem;margin-inline:auto;padding-inline:1rem;padding-block:2rem}ul{padding-inline-start:1.25rem}label{display:block;margin-block-start:.75rem}input{inline-size:100%;max-inline-size:28rem;padding:.4rem}button{margin-block-start:.75rem;padding:.4rem .9rem}[role=alert]{color:#b00020}