* {
  margin: 0;
  padding: 0;
  font-size: 13px;
  font-family: microsoft yahei
}

html,body {
  width: 100%;
  height: 100%;
  background: #fff
}

#container {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999
}

#output {
  width: 100%;
  height: 100%
}