![s1.jpg](https://raw.githubusercontent.com/ying32/govcl/dev/samples/layout/s1.jpg)  
![s2.jpg](https://raw.githubusercontent.com/ying32/govcl/dev/samples/layout/s2.jpg)  
![s3.jpg](https://raw.githubusercontent.com/ying32/govcl/dev/samples/layout/s3.jpg)  