html {
  height: 100%;
  color: white;
}
/* selector(tagname) (
  property: value;
  property: value;
}
*/
body {
  background: url(https://projects.codecraftworks.com/web/iUUSiO5LolmpmPrTiEut/assets/amazing-starry-sky-over-sea-600nw-2338129697.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 100%;
  text-align: center;
}

.rounded-box {
  background-color: Indigo;
  text-align: center;
  padding: 2rem;
  border-radius: 2rem;
  margin: 2rem auto;
  width: clamp(20rem, 30rem, 40rem);
}

h1 {
  text-decoration: underline orange wavy 3px;
  font-family: "Jersey 10", seriff;
    font-size: 50px;
    padding: 1em;
}

a {
  color: cyan;
    font-family: Monospace;
  font-size: 20px; 
  margin: 5em
}  

h2 {
  font-size: 30px;
    font-family: tahoma;
      text-decoration: underline orange wavy 3px;
}