* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #fefefe;
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  overflow: hidden;
}

.page-title {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: #333;
  font-size: 28px;
  font-weight: 300;
  text-align: center;
  z-index: 100;
  text-shadow: 1px 1px 2px rgba(255,255,255,0.8);
}

#nyz-bg {
  position: fixed;
  width: 100%;
  height: 100vh;
  background: transparent;
  z-index: 10;
}

.graffiti-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  transform: translate(-50%, -50%);
}

path.z {
  stroke-dashoffset: 4000;
}