HTMLify

body {
  background: #77bfa1;
}

h1 {
  margin: auto;
  font-size: 10vh;
}

#container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: sans-serif;
}

#btn {
  margin-top: 20vh;
  border: none;
  outline: none;
  background: transparent;
  color: white;
  border: 2px solid white;
  padding: 10px 50px;
  cursor: pointer;
}

#content {
  margin: auto;
  padding: 4vh;
  font-size: 1.2rem;
  max-width: 700px;
  margin-top: 20px;
}