:global{
    .green{
        .vf-notehead > path {
            fill: green;
        }
    }
}
.startBtn {
  position: fixed;
  left: 50%;
  top: 50%;
  margin-left: -70px;
  margin-top: -70px;
  width: 140px;
  height: 140px;
  z-index: 11;
  & > img {
    display: block;
    width: 100%;
    height: 100%;
  }
}
.endBtn{
  position: fixed;
  left: 50%;
  top: 16px;
  width: 120px;
  height: 40px;
  margin-left: -70px;
  z-index: 11;
  & > img {
    display: block;
    width: 100%;
    height: 100%;
  }
}