[1] CSS 3のbackground-sizeとbackground-break:FirefoxとSafariのCSS対応 - page3 - builder by ZDNet Japan (2010-07-04 21:28:16 +09:00 版) <http://builder.japan.zdnet.com/sp/css-firefox-safari/story/0,3800083423,20369071-3,00.htm>