The XXXX design appears in several places throughout the Shaka themes. As much as we personally like it, we are aware that for many of you, it does not fit into your website concept (or that of your client), so here's a break-down of all them cases:
Please insert the following CSS code in
Customizer > Additional CSS
Customizer > Theme Options > Custom Code > Custom CSS.
2. About us area:
If you imported the demo data, you will get this pattern in the About us area on home page.