antd-mobile/cjs/components/spin-loading/spin-loading.patch.css

<div align="center">

.adm-spin-loading {
  width: 32px;
  height: 32px;
}
.adm-spin-loading-svg {
  width: 100%;
  height: 100%;
  animation: adm-spin-loading-rotate 0.8s infinite linear;
}
.adm-spin-loading-svg > .adm-spin-loading-fill {
  stroke: #999999;
}