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Use CSS code to style your site headers with borders and other design elements. HTML and CSS use a box model, which means that page elements include margins, padding, background colors and ...
There isn't a way to do specifically what you are looking for cross-browser / platform in pure CSS. I personally usually only style inputs, textareas & buttons in forms, everything else renders as ...
With the help of some CSS code, nested lists can be styled to suit custom needs, either by giving global attributes to the list or by using a different style for each layer of the nest.
Adobe's original CSS Regions code was contributed to WebKit prior to Google's decision last April to fork WebKit and develop its own rendering engine, Blink.