body {
  color: #666;
  text-align: center;
  font-family: Helvetica, 'microsoft yahei', Arial, sans-serif;
  margin:0;
  width: 800px;
  margin: auto;
  font-size: 14px;
}
h1 {
  font-size: 56px;
  line-height: 100px;
  font-weight: normal;
  color: #456;
}
h2 {
  font-size: 24px;
  color: #666;
  line-height: 1.5em;
}
h3 {
  color: #456;
  font-size: 20px;
  font-weight: normal;
  line-height: 28px;
  margin: 15px 0;
}

hr {
  margin: 18px 0;
  border: 0;
  border-top: 1px solid #EEE;
  border-bottom: 1px solid white;
}

a {
  color: #17bc9b;
  text-decoration: none;
}