body {
  max-width: 40em;
  padding: 1.5em 0;
  margin: 0 auto;
  color: #666;
  font: normal 100%/1.2 sans-serif;
}

header, main, footer {
  display: block;
}

a {
  color: #2F73C9;
  text-decoration: none;
}

a:link,
a:hover {
  text-decoration: underline;
}

h1 {
  margin-bottom: .2em;
}

h2 {
  margin-top: 2em;
}

p {
  margin-bottom: 2em;
}

small {
  color: #7C7C7C;
}

small b {
  font-size: 1.1em;
}

input {
  padding: .2em .1em;
  margin: .5em 0;
  line-height: 1.5;
  font-size: 1.2em;
  display: block;
  width: 100%;
  border: 1px solid #BBB;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, .2);
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
  -webkit-transition: box-shadow .2s linear;
  transition: box-shadow .2s linear;
}

input:focus {
  outline: none;
  box-shadow: 0 0 3px #2F73C9;
}

header {
  padding-bottom: 1em;
  margin-bottom: 1.5em;
  border-bottom: 2px solid #DDD;
}

header p {
  margin-bottom: .75em;
}

footer {
  padding-top: 1.5em;
  margin-top: 1.5em;
  border-top: 2px solid #DDD;
}