@import url("https://fonts.googleapis.com/css?family=Raleway:400,400i,700");
body {
  font-family: Raleway, sans-serif;
  font-size: 18px;
  line-height: 1.7;
  background-color: #eaeaea;
  color: #333;
  -webkit-transition: background-color 800ms ease;
  transition: background-color 800ms ease;
}
body.dark {
  background-color: #222;
  color: #eaeaea;
}
body.dark .masthead,
body.dark .footer {
  background-color: #121212;
}
body.dark img {
  -webkit-filter: brightness(70%);
          filter: brightness(70%);
}

h2 {
  font-size: 3rem;
  line-height: 1.2;
}

img {
  width: 100%;
}
img.small {
  width: 60%;
  float: right;
  padding: 1rem;
}

.masthead,
.footer {
  padding: 0 1rem;
  background-color: #ddd;
  -webkit-transition: background-color 800ms ease;
  transition: background-color 800ms ease;
}

.masthead-inner,
.footer-inner {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
          align-items: center;
  max-width: 900px;
  margin: auto;
}

.nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

button {
  border: 1px solid #333;
  padding: 0.5rem;
  background: #333;
  border-radius: 5px;
  -webkit-transition: background 200ms ease;
  transition: background 200ms ease;
  color: #eaeaea;
}
button:hover {
  background: rgba(51, 51, 51, 0.8);
}

.dark-button i {
  -webkit-transform: rotate(35deg);
          transform: rotate(35deg);
  margin-left: 0.3rem;
}

main {
  padding: 1rem;
  max-width: 900px;
  margin: auto;
}