使用方法：
<span style="cursor:auto">Auto</span> <span style="cursor:crosshair">Crosshair</span> <span style="cursor:default">Default</span> <span style="cursor:pointer">Pointer</span> <span style="cursor:move">Move</span> <span style="cursor:e-resize">e-resize</span> <span style="cursor:ne-resize">ne-resize</span> <span style="cursor:nw-resize">nw-resize</span> <span style="cursor:n-resize">n-resize</span> <span style="cursor:se-resize">se-resize</span> <span style="cursor:sw-resize">sw-resize</span> <span style="cursor:s-resize">s-resize</span> <span style="cursor:w-resize">w-resize</span> <span style="cursor:text">text</span> <span style="cursor:wait">wait</span> <span style="cursor:help">help</span>
