body {
  width: 100%;
  height: 100vh;
  background-color: #f1f1f1;
  margin: 0;
  padding: 0;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  font-family: sans-serif;
}
.main {
  -ms-align-items: center;
  align-items: center;
  justify-content: center;
  width: 100%;
  text-align: center;
}
.main h1 {
  text-align: center;
  font-size: 220px;
  margin-top: 200px;
  margin-bottom: 30px;
}
.main h3 {
  font-size: 50px;
  margin: 10px auto;
}
.main a {
  text-decoration: none;
  color: red;
}