body {
  margin: 0;
  padding: 0;
}
.wenzi {
  font-size: 16px;
  text-align: center;
  margin-top: 40px;
}
.beijin {
  margin: 0 auto;
  width: 650px;
  height: 600px;
  background: url("img/turntable-bg.jpg");
  border: 1px solid red;
  position: relative;
}
.beijin #pointer {
  width: 174px;
  height: 228px;
  position: absolute;
  top: 150px;
  left: 255px;
  z-index: 3;
}
.beijin #turntable {
  width: 450px;
  height: 450px;
  position: absolute;
  top: 60px;
  left: 120px;
}