h5-sdk-react/src/index.css

* {
  box-sizing: border-box;
  user-select: none;
}

:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  display: flex;
  place-items: center;
  min-width: 100%;
  min-height: 100vh;
  /* 禁止触发默认的手势操作，微信浏览器下拉动作 */
  touch-action: none;
  overflow: hidden;
}

.loadingPop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  z-index: 5000;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, .4);
}