Create a tiling dots, stripes, grid or cross-hatch background pattern and copy the CSS to use anywhere.
background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20width%3D'24'%20height%3D'24'%3E%3Ccircle%20cx%3D'12'%20cy%3D'12'%20r%3D'3'%20fill%3D'%232563eb'%2F%3E%3C%2Fsvg%3E");
background-size: 24px 24px;Copy the CSS and paste it into any element's style — it tiles automatically as a background-image.