body {
  background-color: #f9f9f9;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo {
  display: block;
  padding-left: 0.5rem;
  padding-top: 1rem;
}

.header-img {
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}

footer {
  padding-top: 5rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.5rem;
  color: #3c4858;
}

.footer-link {
  color: #3c4858;
}