定義鼠標樣式
cursor:pointer;
取值: [ [<uri> ,]* [ auto | crosshair | default | pointer | move | e-resize | ne-resize | nw-resize | n-resize | se-resize | sw-resize | s-resize | w-resize | text | wait | help | progress ] ] | inherit
[<uri> ,]*: 根據用戶定義的資源顯示
auto: 正常鼠標
crosshair: 十字鼠標
default: 默認鼠標
pointer: 點狀鼠標
move: 移動鼠標
e-resize,ne-resize,nw-resize,n-resize,se-resize,sw-resize,s-resize,w-resize: 改變大小鼠標
text: 文字鼠標
wait: 等待鼠標
help: 求助鼠標
progress: 過程鼠標
inherit: 繼承
