* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 62.5%;
  font-family: sans-serif;
}
body {
  height: 100vh;
  background-color: #3daeff;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
img {
  width: 10rem;
}
h1 {
  font-size: 5rem;
  color: white;
  margin: 2rem 0;
}
a {
  text-decoration: none;
  color: black;
  font-size: 3rem;
  font-weight: bold;
}