'resizer'
'resize'
[4] CSS3 Basic User Interface Module ( (Tantek Çelik 著, 版)) <http://www.w3.org/TR/2004/CR-css3-ui-20040511/#resize>
[5] CSS Basic User Interface Module Level 3 (CSS3 UI) ( (Tantek Çelik 著, 版)) <http://dev.w3.org/csswg/css3-ui/#resize>