.popup_tips {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
}
.popup_tips .popup_tips_mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  cursor: default;
}
.popup_tips .popup_tips_content {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  width: 30%;
  margin: 20% auto 0;
  border-radius: 5px;
  color: #ffffff;
  text-align: center;
  font-size: 20px;
  padding: 20px 12px;
  cursor: default;
  background-color: rgba(0, 0, 0, 0.5);
  background-color: black\9;
  filter: alpha(opacity=50) \9;
}