Reference
stu nicholls | CSS PLaY | cross browser multi page photo galleryhttp://www.cssplay.co.uk/menu/lightbox.html#flower8
Suckerfish HoverLightbox | Monday By Noon
http://www.mondaybynoon.com/2006/03/27/suckerfish-hoverlightbox/
via
GIGAZINE - JavaScriptは使わずCSSだけで作られたイメージギャラリーhttp://gigazine.net/index.php?/news/comments/20060402_cssonly/