#app {
  box-sizing: border-box;
  background-color: #fff;
  padding: 10px;
  overflow: hidden;
}

*{
  font-family: -apple-system, blinkmacsystemfont, Helvetica Neue, helvetica, segoe ui, arial, roboto, PingFang SC, miui, Hiragino Sans GB, Microsoft Yahei, sans-serif;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track-piece {
  background-color: rgba(0, 0, 0, 0.2);
  -webkit-border-radius: 6px;
}

::-webkit-scrollbar-thumb:vertical {
  height: 5px;
  background-color: rgba(125, 125, 125, 0.7);
  -webkit-border-radius: 6px;
}

::-webkit-scrollbar-thumb:horizontal {
  width: 5px;
  background-color: rgba(125, 125, 125, 0.7);
  -webkit-border-radius: 6px;
}