mini-shop/pages/offline/offline.wxss

.offline-layer {
  position: absolute;
  left: 0;
  top: 15%;
  right: 0;
  bottom: 0;
}

.offline-layer image {
  width: 250rpx;
  height: 250rpx;
  display: block;
  margin: 0 auto;
}

.offline-layer text {
  font-size: 30rpx;
  color: #666C7D;
  display: block;
  text-align: center;
  margin: 54rpx 0;
}

.offline-layer button {
  width: 200rpx;
  text-align: center;
  border-radius: 4rpx;
  background:#0075DC;
  height: 78rpx;
  line-height: 78rpx;
  font-size: 30rpx;
  color:rgba(255,255,255,0.88);
}