wxmini/pages/piano/firmware/firmware.wxss

.top_item {
  display: flex;
  justify-content: space-between;
  text-align: center;
  color: #797979;
  font-size: 30rpx;
  padding: 20rpx 40rpx 20rpx 40rpx;
}

.top_item_left {
  color: black;
  font-size: 35rpx;
}

.update {
  margin-top: 100rpx;
  align-items: center;
  display: flex;
  justify-content: center;
}

.update>view {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 520rpx;
  height: 80rpx;
  border-radius: 45rpx;
  font-size: 35rpx;
  font-weight: 400;
  color: #FFFFFF;
}

.update>view.action {
  background: #6547A3;
}


.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  padding: 20rpx;
  z-index: 1000;
}


progress {
  width: 100%;
  margin: 10rpx auto;
}