body {
  background: linear-gradient(to bottom right, #ffffff, #d0d0d0);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sub-head {
  text-align: center;
}

@media (max-width: 768px) {
  .sub-head {
    margin-bottom: 32px;
  }
}

section {
  margin-bottom: 100px;
}

#lead-in img {
  display: block;
  width: 100%;
  height: auto;
}