h1 {
  column-span: all;
}

.header {
  background-color: white;
  padding: 30px;
  text-align: center;
  font-size: 35px;
  box-shadow: 0 20px 20px 0 rgba(0, 0, 0, 0.2), 0 6px 40px 0 rgba(0, 0, 0, 0.19);
  margin-bottom: 60px;
}

.footer {
  background-color: #f1f1f1;
  padding: 30px;
  text-align: center;
}