CSS Grid. The spec: "CSS Grid Layout Module Level 1", editors Tab Atkins Jr., Elika J. Etemad AKA Fantasai, Rossen Atanassov.
DELIMITER; $iframe = ''; /* IMPORTANT: Remove any redundant links from the demo (eg Twitter bird). Then: Any links inside the demo must have target="_parent". */ /* To prevent flashes of scrollbars during the "show info" animation, this might be necessary in the CSS for the demo: html { overflow: hidden; } */ include "../demo_pages_template/template.php"; ?>