body{font-family:Nunito,sans-serif;line-height:1.6;color:#333;margin:0;padding:0}.container{max-width:1200px;margin:0 auto;padding:2rem}.hello-world{text-align:center;padding:4rem 2rem;background-color:#3490dc;color:#fff;border-radius:8px;box-shadow:0 4px 6px #0000001a}.hello-world h1{font-size:3rem;margin-bottom:1rem}.hello-world p{font-size:1.2rem;opacity:.9}