html, body {
  padding: 0;
  margin: 0;
  font-family: Arial, sans-serif;
  background: #90CE2A;
}

.wrapper {
  display: grid;
}

h1 {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 3rem;
  font-weight: 900;
  color: #ffffff;
}