html {
  font-family: Arial, sans-serif;
}

.alert {
  background-color: #D5F5E3;
  border: 1px solid;
  border-color: #2ECC71;
  color: #2C7635;
  padding: 2rem;
  font-size: 1.5rem;
  text-align: center;
}

.alert a {
  color: #2C7635;
}

.header {
  margin-top: 3rem;
  text-align: center;
}

.title {
  display: inline;
  line-height: 75px;
  margin-left: 1rem;
  vertical-align: top;
}

.logo {
  vertical-align: middle;
}

.subtitle {
  margin-top: 1rem;
}

.summary {
  color: #333;
  font-size: 2rem;
  margin: 2rem auto;
  text-align: left;
  width: 65%;
}

@media (max-width:481px) {
  .summary {
    width: 80%;
  }
}

.code-links {
  margin: 0.5rem auto;
  text-align: center;
}

.footer {
  color: #999;
  font-size: 1.5rem;
  text-align: center;
}