h1{
  text-align:center;
}

form{
  margin: 20px auto;
  padding: 4px;
  background-color: rgb(240,240,240);
  width: 400px;
}

form input{
  display: block;
  margin: 2px 20px;
  font-size: 1.5rem;
  height: 30px;
  width: calc(100% - 40px);
}