@import url(http://fonts.lug.ustc.edu.cn/css?family=Open+Sans);

$sans: 'Open Sans', sans-serif;

body {
  color: #444246;
  background: #f2f2eb;
  font-family: $sans;
  position: relative;
}

h1{
  width: 80%;
  text-align: center;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}