body,
html {
  overflow-x: hidden;
}

.btn {
  font-weight: 700;
}

header {
  margin: 0 auto;
  padding-top: .5rem;
  padding-bottom: .5rem;
  background-color: #1b3171;
}

#site-name {
  margin-top: 0;
  margin-bottom: 0;
  padding-top: 0;
  padding-bottom: 0;
  font-size: 1.35rem;
  font-weight: 600;
  color: #ffffff;
}

main {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 90vh;
}

main h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 2.75rem;
  margin: 0 auto 1.5rem auto;
  color: #000000;
}

main h2 {
  font-size: 1.85rem;
  font-weight: 600;
  line-height: 2.05rem;
  margin: 0 auto 1.5rem auto;
}

main a {
  margin: 0 auto 1.5rem auto;
}

footer {
  padding-top: 1rem;
  padding-bottom: 1rem;
  background-color: #333333;
}

footer p {
  font-size: 0.9rem;
  font-weight: 400;
  margin: 0.5rem auto;
  padding: 0;
  color: #ffffff;
}

footer a {
  color: #ffffff;
  text-decoration: none;
}

footer a:hover {
  color: #eeeeee;
  text-decoration: underline;
}

@media only screen and (max-width: 767px) {
  #site-name {
    text-align: center;
  }

  main {
    height: auto;
    padding: 2rem 0;
  }

  main h1 {
    font-size: 1.75rem;
    line-height: 1.9rem;
  }

  main h2 {
    font-size: 1.45rem;
    line-height: 1.55rem;
  }
}