You can add the following classes after the .container
to set different styles:
uix-container__bg uix-container__bg--totop-large
uix-container__bg uix-container__bg--totop-medium
uix-container__bg uix-container__bg--totop-small
If you want add fillet effect, continue to superimpose the following several styles:
uix-container__bg--round-large
uix-container__bg--round-medium
uix-container__bg--round-small