* { box-sizing: border-box; }

body {
  padding: 0;
  margin: 0;
  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: #606c71;
}

.page-header {
  padding: 5em 0;
  text-align: center;
}

.project-name {
  font-family: 'Georgia';
  font-size: 3.5em;
  margin: 0;
}

.project-tag {
  font-size: 1.2em;
  margin: 0;
}

.main-nav {
  text-align: center;
  font-size: 1.2em;
  padding: 8px;
  border-bottom: 4px solid #A22E2A;
}

.main-nav > a {
  color: inherit;
  margin: 0 10px;
}

.main-nav > a.active {
  text-decoration: underline;
}

.page-nav {
  text-align: center;
  padding: 80px 0;
  display: block;
}

img.center {
  display: block;
  max-width: 100%;
  border: 1px solid #ddd;
  border-radius: 3px;
  overflow: hidden;
  margin-left: auto;
  margin-right: auto;
}

dt {
  font-style: italic;
}

dd {
  margin-bottom: 1em;
}

dd > ul {
  margin: 0;
}

a {
  color: #A22E2A;;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}


@media screen and (min-width: 64em) {
  .main-content {
    max-width: 64rem;
    padding: 2rem 6rem;
    margin: 0 auto;
    font-size: 1.1rem;
  }
}

@media screen and (min-width: 42em) and (max-width: 64em) {
  .main-content {
    padding: 2rem 4rem;
    font-size: 1.1rem;
  }
}

@media screen and (max-width: 42em) {
  .main-content {
    padding: 2rem 1rem;
    font-size: 1rem;
    }
}