html, body { 
  margin: 0;
  overflow: hidden;

  .title {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 439px;
    height: 251px;
    z-index: 10001;
    margin-top: -125px;
    margin-left: -219px;
    opacity: 0.5;
  }

}