.content {
  max-width: 600px;
  margin-left: 20%;
  line-height: 140%;
}

h1, h2 {
  margin-top: 40px;
  line-height: 100%;
}



@media screen and (max-width: 900px) {
.content {
  margin-left: 5%;
  margin-right: 5%;
  line-height: 130%;
}
}