CSS3 loading spinners without images • CSS & (X)HTML • Kilian Valkhof
http://kilianvalkhof.com/2010/css-xhtml/css3-loading-spinners-without-images/

CSS transform (in Firefox 3.5+ and Webkit-based browsers) has a whole bunch of interesting functions, such as rotation, translation, scaling and skewing. To learn more about the different functions, check out the Mozilla developer center overview of CSS transform. After playing around with chaining different transforms and seeing the effect, I found out something interesting:

jQuery-Plugin für mit Mauszeiger positioniertes Ajax-Loader-Gif

マウスカーソルのすぐそばにローディング画像を表示させる