CSS从大图片上截取小图标

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一张图片，用CSS分割成多个小图标。

css样式：

1. .icon{ background:url(../images/tabicons.png) no-repeat;width:18px; line-height:18px; display:inline-block;}
2. .tu0101{background-position:-0px -0px;}
3. .tu0201{background-position:-20px -0px;}
4. .tu0301{background-position:-40px -0px;}
5. .tu0401{background-position:-60px -0px;}
6. .tu0501{background-position:-80px -0px;}
7. .tu0601{background-position:-100px -0px;}
8. .tu0701{background-position:-120px -0px;}
9. .tu0801{background-position:-140px -0px;}
10. .tu0901{background-position:-160px -0px;}
11. .tu1001{background-position:-180px -0px;}
12. .tu1101{background-position:-200px -0px;}
13. .tu1201{background-position:-220px -0px;}
14. .tu1301{background-position:-240px -0px;}
15. .tu1401{background-position:-260px -0px;}
16. .tu1501{background-position:-280px -0px;}
17. .tu1601{background-position:-300px -0px;}
18. .tu1701{background-position:-320px -0px;}
19. .tu1801{background-position:-340px -0px;}
20. .tu1901{background-position:-360px -0px;}
21. .tu2001{background-position:-380px -0px;}
22. .tu0102{background-position:-0px -20px;}
23. .tu0202{background-position:-20px -20px;}
24. .tu0302{background-position:-40px -20px;}
25. .tu0402{background-position:-60px -20px;}
26. .tu0502{background-position:-80px -20px;}
27. .tu0602{background-position:-100px -20px;}
28. .tu0702{background-position:-120px -20px;}
29. .tu0802{background-position:-140px -20px;}
30. .tu0902{background-position:-160px -20px;}
31. .tu1002{background-position:-180px -20px;}
32. .tu1102{background-position:-200px -20px;}
33. .tu1202{background-position:-220px -20px;}
34. .tu1302{background-position:-240px -20px;}
35. .tu1402{background-position:-260px -20px;}
36. .tu1502{background-position:-280px -20px;}
37. .tu1602{background-position:-300px -20px;}
38. .tu1702{background-position:-320px -20px;}
39. .tu1802{background-position:-340px -20px;}
40. .tu1902{background-position:-360px -20px;}
41. .tu2002{background-position:-380px -20px;}
42. .tu0103{background-position:-0px -40px;}
43. .tu0203{background-position:-20px -40px;}
44. .tu0303{background-position:-40px -40px;}
45. .tu0403{background-position:-60px -40px;}
46. .tu0503{background-position:-80px -40px;}
47. .tu0603{background-position:-100px -40px;}
48. .tu0703{background-position:-120px -40px;}
49. .tu0803{background-position:-140px -40px;}
50. .tu0903{background-position:-160px -40px;}
51. .tu1003{background-position:-180px -40px;}
52. .tu1103{background-position:-200px -40px;}
53. .tu1203{background-position:-220px -40px;}
54. .tu1303{background-position:-240px -40px;}
55. .tu1403{background-position:-260px -40px;}
56. .tu1503{background-position:-280px -40px;}
57. .tu1603{background-position:-300px -40px;}
58. .tu1703{background-position:-320px -40px;}
59. .tu1803{background-position:-340px -40px;}
60. .tu1903{background-position:-360px -40px;}
61. .tu2003{background-position:-380px -40px;}
62. .tu0104{background-position:-0px -60px;}
63. .tu0204{background-position:-20px -60px;}
64. .tu0304{background-position:-40px -60px;}
65. .tu0404{background-position:-60px -60px;}
66. .tu0504{background-position:-80px -60px;}
67. .tu0604{background-position:-100px -60px;}
68. .tu0704{background-position:-120px -60px;}
69. .tu0804{background-position:-140px -60px;}
70. .tu0904{background-position:-160px -60px;}
71. .tu1004{background-position:-180px -60px;}
72. .tu1104{background-position:-200px -60px;}
73. .tu1204{background-position:-220px -60px;}
74. .tu1304{background-position:-240px -60px;}
75. .tu1404{background-position:-260px -60px;}
76. .tu1504{background-position:-280px -60px;}
77. .tu1604{background-position:-300px -60px;}
78. .tu1704{background-position:-320px -60px;}
79. .tu1804{background-position:-340px -60px;}
80. .tu1904{background-position:-360px -60px;}
81. .tu2004{background-position:-380px -60px;}
82. .tu0105{background-position:-0px -80px;}
83. .tu0205{background-position:-20px -80px;}
84. .tu0305{background-position:-40px -80px;}
85. .tu0405{background-position:-60px -80px;}
86. .tu0505{background-position:-80px -80px;}
87. .tu0605{background-position:-100px -80px;}
88. .tu0705{background-position:-120px -80px;}
89. .tu0805{background-position:-140px -80px;}
90. .tu0905{background-position:-160px -80px;}
91. .tu1005{background-position:-180px -80px;}
92. .tu1105{background-position:-200px -80px;}
93. .tu1205{background-position:-220px -80px;}
94. .tu1305{background-position:-240px -80px;}
95. .tu1405{background-position:-260px -80px;}
96. .tu1505{background-position:-280px -80px;}
97. .tu1605{background-position:-300px -80px;}
98. .tu1705{background-position:-320px -80px;}
99. .tu1805{background-position:-340px -80px;}
100. .tu1905{background-position:-360px -80px;}
101. .tu2005{background-position:-380px -80px;}
102. .tu0106{background-position:-0px -100px;}
103. .tu0206{background-position:-20px -100px;}
104. .tu0306{background-position:-40px -100px;}
105. .tu0406{background-position:-60px -100px;}
106. .tu0506{background-position:-80px -100px;}
107. .tu0606{background-position:-100px -100px;}
108. .tu0706{background-position:-120px -100px;}
109. .tu0806{background-position:-140px -100px;}
110. .tu0906{background-position:-160px -100px;}
111. .tu1006{background-position:-180px -100px;}
112. .tu1106{background-position:-200px -100px;}
113. .tu1206{background-position:-220px -100px;}
114. .tu1306{background-position:-240px -100px;}
115. .tu1406{background-position:-260px -100px;}
116. .tu1506{background-position:-280px -100px;}
117. .tu1606{background-position:-300px -100px;}
118. .tu1706{background-position:-320px -100px;}
119. .tu1806{background-position:-340px -100px;}
120. .tu1906{background-position:-360px -100px;}
121. .tu2006{background-position:-380px -100px;}
122. .tu0107{background-position:-0px -120px;}
123. .tu0207{background-position:-20px -120px;}
124. .tu0307{background-position:-40px -120px;}
125. .tu0407{background-position:-60px -120px;}
126. .tu0507{background-position:-80px -120px;}
127. .tu0607{background-position:-100px -120px;}
128. .tu0707{background-position:-120px -120px;}
129. .tu0807{background-position:-140px -120px;}
130. .tu0907{background-position:-160px -120px;}
131. .tu1007{background-position:-180px -120px;}
132. .tu1107{background-position:-200px -120px;}
133. .tu1207{background-position:-220px -120px;}
134. .tu1307{background-position:-240px -120px;}
135. .tu1407{background-position:-260px -120px;}
136. .tu1507{background-position:-280px -120px;}
137. .tu1607{background-position:-300px -120px;}
138. .tu1707{background-position:-320px -120px;}
139. .tu1807{background-position:-340px -120px;}
140. .tu1907{background-position:-360px -120px;}
141. .tu2007{background-position:-380px -120px;}
142. .tu0108{background-position:-0px -140px;}
143. .tu0208{background-position:-20px -140px;}
144. .tu0308{background-position:-40px -140px;}
145. .tu0408{background-position:-60px -140px;}
146. .tu0508{background-position:-80px -140px;}
147. .tu0608{background-position:-100px -140px;}
148. .tu0708{background-position:-120px -140px;}
149. .tu0808{background-position:-140px -140px;}
150. .tu0908{background-position:-160px -140px;}
151. .tu1008{background-position:-180px -140px;}
152. .tu1108{background-position:-200px -140px;}
153. .tu1208{background-position:-220px -140px;}
154. .tu1308{background-position:-240px -140px;}
155. .tu1408{background-position:-260px -140px;}
156. .tu1508{background-position:-280px -140px;}
157. .tu1608{background-position:-300px -140px;}
158. .tu1708{background-position:-320px -140px;}
159. .tu1808{background-position:-340px -140px;}
160. .tu1908{background-position:-360px -140px;}
161. .tu2008{background-position:-380px -140px;}
162. .tu0109{background-position:-0px -160px;}
163. .tu0209{background-position:-20px -160px;}
164. .tu0309{background-position:-40px -160px;}
165. .tu0409{background-position:-60px -160px;}
166. .tu0509{background-position:-80px -160px;}
167. .tu0609{background-position:-100px -160px;}
168. .tu0709{background-position:-120px -160px;}
169. .tu0809{background-position:-140px -160px;}
170. .tu0909{background-position:-160px -160px;}
171. .tu1009{background-position:-180px -160px;}
172. .tu1109{background-position:-200px -160px;}
173. .tu1209{background-position:-220px -160px;}
174. .tu1309{background-position:-240px -160px;}
175. .tu1409{background-position:-260px -160px;}
176. .tu1509{background-position:-280px -160px;}
177. .tu1609{background-position:-300px -160px;}
178. .tu1709{background-position:-320px -160px;}
179. .tu1809{background-position:-340px -160px;}
180. .tu1909{background-position:-360px -160px;}
181. .tu2009{background-position:-380px -160px;}
182. .tu0110{background-position:-0px -180px;}
183. .tu0210{background-position:-20px -180px;}
184. .tu0310{background-position:-40px -180px;}
185. .tu0410{background-position:-60px -180px;}
186. .tu0510{background-position:-80px -180px;}
187. .tu0610{background-position:-100px -180px;}
188. .tu0710{background-position:-120px -180px;}
189. .tu0810{background-position:-140px -180px;}
190. .tu0910{background-position:-160px -180px;}
191. .tu1010{background-position:-180px -180px;}
192. .tu1110{background-position:-200px -180px;}
193. .tu1210{background-position:-220px -180px;}
194. .tu1310{background-position:-240px -180px;}
195. .tu1410{background-position:-260px -180px;}
196. .tu1510{background-position:-280px -180px;}
197. .tu1610{background-position:-300px -180px;}
198. .tu1710{background-position:-320px -180px;}
199. .tu1810{background-position:-340px -180px;}
200. .tu1910{background-position:-360px -180px;}
201. .tu2010{background-position:-380px -180px;}
202. .tu0111{background-position:-0px -200px;}
203. .tu0211{background-position:-20px -200px;}
204. .tu0311{background-position:-40px -200px;}
205. .tu0411{background-position:-60px -200px;}
206. .tu0511{background-position:-80px -200px;}
207. .tu0611{background-position:-100px -200px;}
208. .tu0711{background-position:-120px -200px;}
209. .tu0811{background-position:-140px -200px;}
210. .tu0911{background-position:-160px -200px;}
211. .tu1011{background-position:-180px -200px;}
212. .tu1111{background-position:-200px -200px;}
213. .tu1211{background-position:-220px -200px;}
214. .tu1311{background-position:-240px -200px;}
215. .tu1411{background-position:-260px -200px;}
216. .tu1511{background-position:-280px -200px;}
217. .tu1611{background-position:-300px -200px;}
218. .tu1711{background-position:-320px -200px;}
219. .tu1811{background-position:-340px -200px;}
220. .tu1911{background-position:-360px -200px;}
221. .tu2011{background-position:-380px -200px;}
222. .tu0112{background-position:-0px -220px;}
223. .tu0212{background-position:-20px -220px;}
224. .tu0312{background-position:-40px -220px;}
225. .tu0412{background-position:-60px -220px;}
226. .tu0512{background-position:-80px -220px;}
227. .tu0612{background-position:-100px -220px;}
228. .tu0712{background-position:-120px -220px;}
229. .tu0812{background-position:-140px -220px;}
230. .tu0912{background-position:-160px -220px;}
231. .tu1012{background-position:-180px -220px;}
232. .tu1112{background-position:-200px -220px;}
233. .tu1212{background-position:-220px -220px;}
234. .tu1312{background-position:-240px -220px;}
235. .tu1412{background-position:-260px -220px;}
236. .tu1512{background-position:-280px -220px;}
237. .tu1612{background-position:-300px -220px;}
238. .tu1712{background-position:-320px -220px;}
239. .tu1812{background-position:-340px -220px;}
240. .tu1912{background-position:-360px -220px;}
241. .tu2012{background-position:-380px -220px;}
242. .tu0113{background-position:-0px -240px;}
243. .tu0213{background-position:-20px -240px;}
244. .tu0313{background-position:-40px -240px;}
245. .tu0413{background-position:-60px -240px;}
246. .tu0513{background-position:-80px -240px;}
247. .tu0613{background-position:-100px -240px;}
248. .tu0713{background-position:-120px -240px;}
249. .tu0813{background-position:-140px -240px;}
250. .tu0913{background-position:-160px -240px;}
251. .tu1013{background-position:-180px -240px;}
252. .tu1113{background-position:-200px -240px;}
253. .tu1213{background-position:-220px -240px;}
254. .tu1313{background-position:-240px -240px;}
255. .tu1413{background-position:-260px -240px;}
256. .tu1513{background-position:-280px -240px;}
257. .tu1613{background-position:-300px -240px;}
258. .tu1713{background-position:-320px -240px;}
259. .tu1813{background-position:-340px -240px;}
260. .tu1913{background-position:-360px -240px;}
261. .tu2013{background-position:-380px -240px;}
262. .tu0114{background-position:-0px -260px;}
263. .tu0214{background-position:-20px -260px;}
264. .tu0314{background-position:-40px -260px;}
265. .tu0414{background-position:-60px -260px;}
266. .tu0514{background-position:-80px -260px;}
267. .tu0614{background-position:-100px -260px;}
268. .tu0714{background-position:-120px -260px;}
269. .tu0814{background-position:-140px -260px;}
270. .tu0914{background-position:-160px -260px;}
271. .tu1014{background-position:-180px -260px;}
272. .tu1114{background-position:-200px -260px;}
273. .tu1214{background-position:-220px -260px;}
274. .tu1314{background-position:-240px -260px;}
275. .tu1414{background-position:-260px -260px;}
276. .tu1514{background-position:-280px -260px;}
277. .tu1614{background-position:-300px -260px;}
278. .tu1714{background-position:-320px -260px;}
279. .tu1814{background-position:-340px -260px;}
280. .tu1914{background-position:-360px -260px;}
281. .tu2014{background-position:-380px -260px;}
282. .tu0115{background-position:-0px -280px;}
283. .tu0215{background-position:-20px -280px;}
284. .tu0315{background-position:-40px -280px;}
285. .tu0415{background-position:-60px -280px;}
286. .tu0515{background-position:-80px -280px;}
287. .tu0615{background-position:-100px -280px;}
288. .tu0715{background-position:-120px -280px;}
289. .tu0815{background-position:-140px -280px;}
290. .tu0915{background-position:-160px -280px;}
291. .tu1015{background-position:-180px -280px;}
292. .tu1115{background-position:-200px -280px;}
293. .tu1215{background-position:-220px -280px;}
294. .tu1315{background-position:-240px -280px;}
295. .tu1415{background-position:-260px -280px;}
296. .tu1515{background-position:-280px -280px;}
297. .tu1615{background-position:-300px -280px;}
298. .tu1715{background-position:-320px -280px;}
299. .tu1815{background-position:-340px -280px;}
300. .tu1915{background-position:-360px -280px;}
301. .tu2015{background-position:-380px -280px;}
302. .tu0116{background-position:-0px -300px;}
303. .tu0216{background-position:-20px -300px;}
304. .tu0316{background-position:-40px -300px;}
305. .tu0416{background-position:-60px -300px;}
306. .tu0516{background-position:-80px -300px;}
307. .tu0616{background-position:-100px -300px;}
308. .tu0716{background-position:-120px -300px;}
309. .tu0816{background-position:-140px -300px;}
310. .tu0916{background-position:-160px -300px;}
311. .tu1016{background-position:-180px -300px;}
312. .tu1116{background-position:-200px -300px;}
313. .tu1216{background-position:-220px -300px;}
314. .tu1316{background-position:-240px -300px;}
315. .tu1416{background-position:-260px -300px;}
316. .tu1516{background-position:-280px -300px;}
317. .tu1616{background-position:-300px -300px;}
318. .tu1716{background-position:-320px -300px;}
319. .tu1816{background-position:-340px -300px;}
320. .tu1916{background-position:-360px -300px;}
321. .tu2016{background-position:-380px -300px;}
322. .tu0117{background-position:-0px -320px;}
323. .tu0217{background-position:-20px -320px;}
324. .tu0317{background-position:-40px -320px;}
325. .tu0417{background-position:-60px -320px;}
326. .tu0517{background-position:-80px -320px;}
327. .tu0617{background-position:-100px -320px;}
328. .tu0717{background-position:-120px -320px;}
329. .tu0817{background-position:-140px -320px;}
330. .tu0917{background-position:-160px -320px;}
331. .tu1017{background-position:-180px -320px;}
332. .tu1117{background-position:-200px -320px;}
333. .tu1217{background-position:-220px -320px;}
334. .tu1317{background-position:-240px -320px;}
335. .tu1417{background-position:-260px -320px;}
336. .tu1517{background-position:-280px -320px;}
337. .tu1617{background-position:-300px -320px;}
338. .tu1717{background-position:-320px -320px;}
339. .tu1817{background-position:-340px -320px;}
340. .tu1917{background-position:-360px -320px;}
341. .tu2017{background-position:-380px -320px;}
342. .tu0118{background-position:-0px -340px;}
343. .tu0218{background-position:-20px -340px;}
344. .tu0318{background-position:-40px -340px;}
345. .tu0418{background-position:-60px -340px;}
346. .tu0518{background-position:-80px -340px;}
347. .tu0618{background-position:-100px -340px;}
348. .tu0718{background-position:-120px -340px;}
349. .tu0818{background-position:-140px -340px;}
350. .tu0918{background-position:-160px -340px;}
351. .tu1018{background-position:-180px -340px;}
352. .tu1118{background-position:-200px -340px;}
353. .tu1218{background-position:-220px -340px;}
354. .tu1318{background-position:-240px -340px;}
355. .tu1418{background-position:-260px -340px;}
356. .tu1518{background-position:-280px -340px;}
357. .tu1618{background-position:-300px -340px;}
358. .tu1718{background-position:-320px -340px;}
359. .tu1818{background-position:-340px -340px;}
360. .tu1918{background-position:-360px -340px;}
361. .tu2018{background-position:-380px -340px;}
362. .tu0119{background-position:-0px -360px;}
363. .tu0219{background-position:-20px -360px;}
364. .tu0319{background-position:-40px -360px;}
365. .tu0419{background-position:-60px -360px;}
366. .tu0519{background-position:-80px -360px;}
367. .tu0619{background-position:-100px -360px;}
368. .tu0719{background-position:-120px -360px;}
369. .tu0819{background-position:-140px -360px;}
370. .tu0919{background-position:-160px -360px;}
371. .tu1019{background-position:-180px -360px;}
372. .tu1119{background-position:-200px -360px;}
373. .tu1219{background-position:-220px -360px;}
374. .tu1319{background-position:-240px -360px;}
375. .tu1419{background-position:-260px -360px;}
376. .tu1519{background-position:-280px -360px;}
377. .tu1619{background-position:-300px -360px;}
378. .tu1719{background-position:-320px -360px;}
379. .tu1819{background-position:-340px -360px;}
380. .tu1919{background-position:-360px -360px;}
381. .tu2019{background-position:-380px -360px;}
382. .tu0120{background-position:-0px -380px;}
383. .tu0220{background-position:-20px -380px;}
384. .tu0320{background-position:-40px -380px;}
385. .tu0420{background-position:-60px -380px;}
386. .tu0520{background-position:-80px -380px;}
387. .tu0620{background-position:-100px -380px;}
388. .tu0720{background-position:-120px -380px;}
389. .tu0820{background-position:-140px -380px;}
390. .tu0920{background-position:-160px -380px;}
391. .tu1020{background-position:-180px -380px;}
392. .tu1120{background-position:-200px -380px;}
393. .tu1220{background-position:-220px -380px;}
394. .tu1320{background-position:-240px -380px;}
395. .tu1420{background-position:-260px -380px;}
396. .tu1520{background-position:-280px -380px;}
397. .tu1620{background-position:-300px -380px;}
398. .tu1720{background-position:-320px -380px;}
399. .tu1820{background-position:-340px -380px;}
400. .tu1920{background-position:-360px -380px;}
401. .tu2020{background-position:-380px -380px;}
402. .tu0121{background-position:-0px -400px;}
403. .tu0221{background-position:-20px -400px;}
404. .tu0321{background-position:-40px -400px;}
405. .tu0421{background-position:-60px -400px;}
406. .tu0521{background-position:-80px -400px;}
407. .tu0621{background-position:-100px -400px;}
408. .tu0721{background-position:-120px -400px;}
409. .tu0821{background-position:-140px -400px;}
410. .tu0921{background-position:-160px -400px;}
411. .tu1021{background-position:-180px -400px;}
412. .tu1121{background-position:-200px -400px;}
413. .tu1221{background-position:-220px -400px;}
414. .tu1321{background-position:-240px -400px;}
415. .tu1421{background-position:-260px -400px;}
416. .tu1521{background-position:-280px -400px;}
417. .tu1621{background-position:-300px -400px;}
418. .tu1721{background-position:-320px -400px;}
419. .tu1821{background-position:-340px -400px;}
420. .tu1921{background-position:-360px -400px;}
421. .tu2021{background-position:-380px -400px;}
422. .tu0122{background-position:-0px -420px;}
423. .tu0222{background-position:-20px -420px;}
424. .tu0322{background-position:-40px -420px;}
425. .tu0422{background-position:-60px -420px;}
426. .tu0522{background-position:-80px -420px;}
427. .tu0622{background-position:-100px -420px;}
428. .tu0722{background-position:-120px -420px;}
429. .tu0822{background-position:-140px -420px;}
430. .tu0922{background-position:-160px -420px;}
431. .tu1022{background-position:-180px -420px;}
432. .tu1122{background-position:-200px -420px;}
433. .tu1222{background-position:-220px -420px;}
434. .tu1322{background-position:-240px -420px;}
435. .tu1422{background-position:-260px -420px;}
436. .tu1522{background-position:-280px -420px;}
437. .tu1622{background-position:-300px -420px;}
438. .tu1722{background-position:-320px -420px;}
439. .tu1822{background-position:-340px -420px;}
440. .tu1922{background-position:-360px -420px;}
441. .tu2022{background-position:-380px -420px;}
442. .tu0123{background-position:-0px -440px;}
443. .tu0223{background-position:-20px -440px;}
444. .tu0323{background-position:-40px -440px;}
445. .tu0423{background-position:-60px -440px;}
446. .tu0523{background-position:-80px -440px;}
447. .tu0623{background-position:-100px -440px;}
448. .tu0723{background-position:-120px -440px;}
449. .tu0823{background-position:-140px -440px;}
450. .tu0923{background-position:-160px -440px;}
451. .tu1023{background-position:-180px -440px;}
452. .tu1123{background-position:-200px -440px;}
453. .tu1223{background-position:-220px -440px;}
454. .tu1323{background-position:-240px -440px;}
455. .tu1423{background-position:-260px -440px;}
456. .tu1523{background-position:-280px -440px;}
457. .tu1623{background-position:-300px -440px;}
458. .tu1723{background-position:-320px -440px;}
459. .tu1823{background-position:-340px -440px;}
460. .tu1923{background-position:-360px -440px;}
461. .tu2023{background-position:-380px -440px;}
462. .tu0124{background-position:-0px -460px;}
463. .tu0224{background-position:-20px -460px;}
464. .tu0324{background-position:-40px -460px;}
465. .tu0424{background-position:-60px -460px;}
466. .tu0524{background-position:-80px -460px;}
467. .tu0624{background-position:-100px -460px;}
468. .tu0724{background-position:-120px -460px;}
469. .tu0824{background-position:-140px -460px;}
470. .tu0924{background-position:-160px -460px;}
471. .tu1024{background-position:-180px -460px;}
472. .tu1124{background-position:-200px -460px;}
473. .tu1224{background-position:-220px -460px;}
474. .tu1324{background-position:-240px -460px;}
475. .tu1424{background-position:-260px -460px;}
476. .tu1524{background-position:-280px -460px;}
477. .tu1624{background-position:-300px -460px;}
478. .tu1724{background-position:-320px -460px;}
479. .tu1824{background-position:-340px -460px;}
480. .tu1924{background-position:-360px -460px;}
481. .tu2024{background-position:-380px -460px;}
482. .tu0125{background-position:-0px -480px;}
483. .tu0225{background-position:-20px -480px;}
484. .tu0325{background-position:-40px -480px;}
485. .tu0425{background-position:-60px -480px;}
486. .tu0525{background-position:-80px -480px;}
487. .tu0625{background-position:-100px -480px;}
488. .tu0725{background-position:-120px -480px;}
489. .tu0825{background-position:-140px -480px;}
490. .tu0925{background-position:-160px -480px;}
491. .tu1025{background-position:-180px -480px;}
492. .tu1125{background-position:-200px -480px;}
493. .tu1225{background-position:-220px -480px;}
494. .tu1325{background-position:-240px -480px;}
495. .tu1425{background-position:-260px -480px;}
496. .tu1525{background-position:-280px -480px;}
497. .tu1625{background-position:-300px -480px;}
498. .tu1725{background-position:-320px -480px;}
499. .tu1825{background-position:-340px -480px;}
500. .tu1925{background-position:-360px -480px;}
501. .tu2025{background-position:-380px -480px;}
502. .tu0126{background-position:-0px -500px;}
503. .tu0226{background-position:-20px -500px;}
504. .tu0326{background-position:-40px -500px;}
505. .tu0426{background-position:-60px -500px;}
506. .tu0526{background-position:-80px -500px;}
507. .tu0626{background-position:-100px -500px;}
508. .tu0726{background-position:-120px -500px;}
509. .tu0826{background-position:-140px -500px;}
510. .tu0926{background-position:-160px -500px;}
511. .tu1026{background-position:-180px -500px;}
512. .tu1126{background-position:-200px -500px;}
513. .tu1226{background-position:-220px -500px;}
514. .tu1326{background-position:-240px -500px;}
515. .tu1426{background-position:-260px -500px;}
516. .tu1526{background-position:-280px -500px;}
517. .tu1626{background-position:-300px -500px;}
518. .tu1726{background-position:-320px -500px;}
519. .tu1826{background-position:-340px -500px;}
520. .tu1926{background-position:-360px -500px;}
521. .tu2026{background-position:-380px -500px;}  

调用：直接class="icon tu0501"

CSS从大图片上截取小图标

标签：多个   val   ges   http   url   20px   no-repeat   bic   tar   

原文地址：http://www.cnblogs.com/henuyuxiang/p/6674942.html