style.css

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: background: #cccfe6;
  display: flex;
  justify-content: center;
  width: 100%;
  height: 100vh;
}

div {
  color: rgba(0, 0, 1, 0.796);
  font-family: 'Courier New', Courier, monospace;
  padding: 150px;
}
h1 {
  font-size: 100px;
  padding: 10px;
  box-shadow: #17192a 2px 2px 15px;
  border-radius: 10px;
  margin-top: 150px;
}
media (max-width: 920px) {
  h1 {
    font-size: 80px;
  }
}
@media (max-width: 800px) {
  h1 {
    font-size: 60px;
  }
}
@media (max-width: 680px) {
  h1 {
    font-size: 40px;
    margin-top: 60px;
  }
  div{
    margin-top: 300px;
    padding: 0px;
  }
}
@media (max-width: 240px) {
  h1 {
    font-size: 30px;
  }
}
@media (max-width: 240px) {
  h1 {
    font-size: 15px;
  }
}