Speed up CSS prototyping* »Speed up CSS prototyping* This is a simple trick to overlay a grid or a mock-up over a page you’re styling. It will also allow you to edit content directly in the browser to see how your layout behaves depending on various lines of text. These are the rules to include in the styles sheet you work on: body::before { content:""; position:fixed; background:url(https://css-101.org/wp-content/themes/pd
