iot-platform-app/unpackage/dist/dev/mp-weixin/pages/home.wxss

.home {
  background-color: #e9e9e9;
}
.menu-list-warp .menu-list-box {
  width: 25%;
  text-align: center;
  float: left;
  padding: 20rpx;
}
.menu-list-warp .menu-list-box image {
  width: 100rpx;
  height: 100rpx;
}