html,
body {
  margin: 0;
  background: #f4f6f2;
}

#pp-boot {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #9fe870;
  color: #132d08;
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

#pp-boot .mark {
  display: flex;
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #132d08;
  color: #9fe870;
  font-size: 26px;
  font-weight: 800;
}