CSS rounded corner rectangle

• ThrashBox, uses 4 background images, one for each corner
• Spiffy corner, use <b> elements
• Nifty corner, use <b> elements + javascripts
• CSS3

CurvyCorners supports CSS3 /pre-CSS3 auto detection


[ref]
http://www.spiffycorners.com/
http://www.html.it/articoli/nifty/index.html (Nifty corner)
http://www.devwebpro.com/25-rounded-corners-techniques-with-css/

http://www.curvycorners.net/

http://redmelon.net/tstme/4corners/
http://www.alistapart.com/articles/customcorners/ (2003)