In addition to downloading SVG format files, you can also copy and paste CSS code. On the webpage in the default state, the background pattern of light blue and somewhat dark blue is lining up.

Add a short CSS class to an HTML Web page to use animated and stationary GIF images as the page's background. Open an HTML document and find the document's head section. Paste the following code ...

Conforming with the separation of concerns design pattern and best practice ... within a style just renders as plain black text on a white background. Figure 2. Rendering a CSS formatted HTML webpage ...