body {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  color: #000;
  background-color: #f0f0f0;
  font-family: sans-serif;
}

header, footer, section, article, nav {
  display: block;
  padding: 0.5em;
  margin-left: 0.5em;
  margin-right: 0.5em;
}

header, footer, h2, h3 {
  color: #320;
  background-color: #ded;
  text-align: left;
  margin: 0.15em;
  padding: 0.15em;
  border-radius: 0.5em;
}

h2 {
  width: 75%;
  border-radius: 0.5em 0.0em 0.0em 0.5em;
}

h3 {
  color: #677;
  background-color: #ded;
  padding: 0.2em;
}

nav a {
  padding: 0.2em;
  text-decoration: none;
}

header {
  margin-bottom: 1em;
}

header h1 {
  color: #677;
  background-color: #cdc;
  padding: 0;
  margin: 0;
  text-decoration: none;
  vertical-align: 25%;
}

a img {
  vertical-align: middle;
  border: 0;
  text-decoration:none;
}

.icon {
  border: 0;
  text-decoration: none;
  width: 32px;
  height: 32px;
}

@media all and (max-device-width: 480px) {
  h1, a {
    font-size: 120%;
  }
  h2 {
    font-size: 140%;
  }
}