xiaoshi-wx/node_modules/wux-weapp/example/dist/progress/index.wxss

.wux-progress {
  display: flex;
  align-items: center
}
.wux-progress__outer {
  flex: 1
}
.wux-progress__inner {
  background-color: #f3f3f3
}
.wux-progress__bar {
  background-color: #33cd5f;
  transition: all .3s linear 0s
}
.wux-progress__text {
  margin-left: 10rpx;
  text-align: left;
  vertical-align: middle
}
.wux-progress--round .wux-progress__bar,
.wux-progress--round .wux-progress__inner {
  border-radius: 200rpx
}
.wux-progress--progress .wux-progress__bar {
  position: relative
}
.wux-progress--progress .wux-progress__bar::before {
  content: '';
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  border-radius: 20rpx;
  animation: progress 2s ease-in-out infinite
}
@keyframes progress {
  0% {
    opacity: .3;
    width: 0
  }
  100% {
    opacity: 0;
    width: 100%
  }
}