:root{font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";line-height:1.5;font-weight:400;color:#213547;background-color:#fff}body{margin:0;min-width:320px;min-height:100vh;background-color:#fff;color:#213547}h1{font-size:2.5rem;line-height:1.2;margin:0 0 1rem}a{color:#009688;text-decoration:none;font-weight:500}a:hover{text-decoration:underline}button{background-color:#009688;color:#fff;font-size:1rem;font-family:inherit;padding:.6em 1.2em;border:none;border-radius:6px;cursor:pointer;transition:background-color .25s ease-in-out}button:hover{background-color:#00796b}button:focus{outline:none;box-shadow:0 0 0 3px #00968866}