body {
  display: flex;
  flex-direction: column;
  align-items: center;
  /*background-color: lightsteelblue;*/
  margin-bottom: 50px;
}

main {
  display: flex;
  align-items: center;
  flex-direction: column;
}
h3 {
  margin-bottom: 100px;
  font-size: 35px;
}
h2 {
  margin-top: 100px;
  font-size: 25px;
  letter-spacing: 0.3em;
}
h1 {
  margin-bottom: 0;
  font-size: 70px;
  letter-spacing: 0.2em;
}
.first-button {
  text-decoration: none;
  padding: 20px;
  font-size: 20px;
  background-color: #45b39d;
  border: 2px solid #45b39d;
  border-radius: 5px;
  margin: 20px;
  color: white;
}
.second-button {
  text-decoration: none;
  padding: 20px;
  font-size: 20px;
  border: 2px solid #45b39d;
  border-radius: 5px;
  margin: 20px;
  color: #45b39d;
}