body {
  background-image: url("background.jpeg");
  margin-top: 100px;
}

h1, h2, p {
  text-align: center;
  height: 500px;
}

.blocks {
  width: 80%;
  background-color: burlywood;
  margin-left: auto;
  margin-right: auto;
  height: 700px;
  margin-top: auto;
  margin-bottom: auto;
}

div {
  column-count: 4;
  height: 500px;
}