这篇文章主要介绍了10种CSS3实现的loading动画，帮助大家更好的美化自身网页，完成需求，感兴趣的朋友可以了解下。

HTML：

  1.  1 <body>
  2.  2   <div class="content">
  3.  3     <h3>CSS3 Loading animations</h3>
  4.  4     <div class="load-wrapp">
  5.  5       <div class="load-1">
  6.  6         <p>Loading 1</p>
  7.  7         <div class="line"></div>
  8.  8         <div class="line"></div>
  9.  9         <div class="line"></div>
  10. 10       </div>
  11. 11     </div>
  12. 12     <div class="load-wrapp">
  13. 13       <div class="load-2">
  14. 14         <p>Loading 2</p>
  15. 15         <div class="line"></div>
  16. 16         <div class="line"></div>
  17. 17         <div class="line"></div>
  18. 18       </div>
  19. 19     </div>
  20. 20     <div class="load-wrapp">
  21. 21       <div class="load-3">
  22. 22         <p>Loading 3</p>
  23. 23         <div class="line"></div>
  24. 24         <div class="line"></div>
  25. 25         <div class="line"></div>
  26. 26       </div>
  27. 27     </div>
  28. 28     <div class="load-wrapp">
  29. 29       <!-- Loading 4 don't work on firefox because of the border-radius and the "dashed" style. -->
  30. 30       <div class="load-4">
  31. 31         <p>Loading 4</p>
  32. 32         <div class="ring-1"></div>
  33. 33       </div>
  34. 34     </div>
  35. 35     <div class="load-wrapp">
  36. 36       <div class="load-5">
  37. 37         <p>Loading 5</p>
  38. 38         <div class="ring-2">
  39. 39           <div class="ball-holder">
  40. 40             <div class="ball"></div>
  41. 41           </div>
  42. 42         </div>
  43. 43       </div>
  44. 44     </div>
  45. 45     <div class="load-wrapp">
  46. 46       <div class="load-6">
  47. 47         <p>Loading 6</p>
  48. 48         <div class="letter-holder">
  49. 49           <div class="l-1 letter">L</div>
  50. 50           <div class="l-2 letter">o</div>
  51. 51           <div class="l-3 letter">a</div>
  52. 52           <div class="l-4 letter">d</div>
  53. 53           <div class="l-5 letter">i</div>
  54. 54           <div class="l-6 letter">n</div>
  55. 55           <div class="l-7 letter">g</div>
  56. 56           <div class="l-8 letter">.</div>
  57. 57           <div class="l-9 letter">.</div>
  58. 58           <div class="l-10 letter">.</div>
  59. 59         </div>
  60. 60       </div>
  61. 61     </div>
  62. 62     <div class="load-wrapp">
  63. 63       <div class="load-7">
  64. 64         <p>Loading 7</p>
  65. 65         <div class="square-holder">
  66. 66           <div class="square"></div>
  67. 67         </div>
  68. 68       </div>
  69. 69     </div>
  70. 70     <div class="load-wrapp">
  71. 71       <div class="load-8">
  72. 72         <p>Loading 8</p>
  73. 73         <div class="line"></div>
  74. 74       </div>
  75. 75     </div>
  76. 76     <div class="load-wrapp">
  77. 77       <div class="load-9">
  78. 78         <p>Loading 9</p>
  79. 79         <div class="spinner">
  80. 80           <div class="bubble-1"></div>
  81. 81           <div class="bubble-2"></div>
  82. 82         </div>
  83. 83       </div>
  84. 84     </div>
  85. 85     <div class="load-wrapp">
  86. 86       <div class="load-10">
  87. 87         <p>Loading 10</p>
  88. 88         <div class="bar"></div>
  89. 89       </div>
  90. 90     </div>
  91. 91   </div>
  92. 92   <div class="clear"></div>
  93. 93 </body>

CSS3：

  1.   1 /* -----------------------------------------
  2.   2   =Default css to make the demo more pretty
  3.   3 -------------------------------------------- */
  4.   4
  5.   5 body {
  6.   6   margin: 0 auto;
  7.   7   padding: 20px;
  8.   8   max-width: 1200px;
  9.   9   overflow-y: scroll;
  10.  10   font-family: "Open Sans", sans-serif;
  11.  11   font-weight: 400;
  12.  12   color: #777;
  13.  13   background-color: #f7f7f7;
  14.  14   -webkit-font-smoothing: antialiased;
  15.  15   -webkit-text-size-adjust: 100%;
  16.  16   -ms-text-size-adjust: 100%;
  17.  17 }
  18.  18
  19.  19 .content {
  20.  20   padding: 15px;
  21.  21   overflow: hidden;
  22.  22   background-color: #e7e7e7;
  23.  23   background-color: rgba(0, 0, 0, 0.06);
  24.  24 }
  25.  25
  26.  26 h1 {
  27.  27   padding-bottom: 15px;
  28.  28   border-bottom: 1px solid #d8d8d8;
  29.  29   font-weight: 600;
  30.  30 }
  31.  31
  32.  32 h1 span {
  33.  33   font-family: monospace, serif;
  34.  34 }
  35.  35
  36.  36 h3 {
  37.  37   padding-bottom: 20px;
  38.  38   box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1), 0 2px 0 rgba(255, 255, 255, 0.9);
  39.  39 }
  40.  40
  41.  41 p {
  42.  42   margin: 0;
  43.  43   padding: 10px 0;
  44.  44   color: #777;
  45.  45 }
  46.  46
  47.  47 .clear {
  48.  48   clear: both;
  49.  49 }
  50.  50
  51.  51 /* -----------------------------------------
  52.  52   =CSS3 Loading animations
  53.  53 -------------------------------------------- */
  54.  54
  55.  55 /* =Elements style
  56.  56 ---------------------- */
  57.  57 .load-wrapp {
  58.  58   float: left;
  59.  59   width: 100px;
  60.  60   height: 100px;
  61.  61   margin: 0 10px 10px 0;
  62.  62   padding: 20px 20px 20px;
  63.  63   border-radius: 5px;
  64.  64   text-align: center;
  65.  65   background-color: #d8d8d8;
  66.  66 }
  67.  67
  68.  68 .load-wrapp p {
  69.  69   padding: 0 0 20px;
  70.  70 }
  71.  71 .load-wrapp:last-child {
  72.  72   margin-right: 0;
  73.  73 }
  74.  74
  75.  75 .line {
  76.  76   display: inline-block;
  77.  77   width: 15px;
  78.  78   height: 15px;
  79.  79   border-radius: 15px;
  80.  80   background-color: #4b9cdb;
  81.  81 }
  82.  82
  83.  83 .ring-1 {
  84.  84   width: 10px;
  85.  85   height: 10px;
  86.  86   margin: 0 auto;
  87.  87   padding: 10px;
  88.  88   border: 7px dashed #4b9cdb;
  89.  89   border-radius: 100%;
  90.  90 }
  91.  91
  92.  92 .ring-2 {
  93.  93   position: relative;
  94.  94   width: 45px;
  95.  95   height: 45px;
  96.  96   margin: 0 auto;
  97.  97   border: 4px solid #4b9cdb;
  98.  98   border-radius: 100%;
  99.  99 }
  100. 100
  101. 101 .ball-holder {
  102. 102   position: absolute;
  103. 103   width: 12px;
  104. 104   height: 45px;
  105. 105   left: 17px;
  106. 106   top: 0px;
  107. 107 }
  108. 108
  109. 109 .ball {
  110. 110   position: absolute;
  111. 111   top: -11px;
  112. 112   left: 0;
  113. 113   width: 16px;
  114. 114   height: 16px;
  115. 115   border-radius: 100%;
  116. 116   background: #4282b3;
  117. 117 }
  118. 118
  119. 119 .letter-holder {
  120. 120   padding: 16px;
  121. 121 }
  122. 122
  123. 123 .letter {
  124. 124   float: left;
  125. 125   font-size: 14px;
  126. 126   color: #777;
  127. 127 }
  128. 128
  129. 129 .square {
  130. 130   width: 12px;
  131. 131   height: 12px;
  132. 132   border-radius: 4px;
  133. 133   background-color: #4b9cdb;
  134. 134 }
  135. 135
  136. 136 .spinner {
  137. 137   position: relative;
  138. 138   width: 45px;
  139. 139   height: 45px;
  140. 140   margin: 0 auto;
  141. 141 }
  142. 142
  143. 143 .bubble-1,
  144. 144 .bubble-2 {
  145. 145   position: absolute;
  146. 146   top: 0;
  147. 147   width: 25px;
  148. 148   height: 25px;
  149. 149   border-radius: 100%;
  150. 150   background-color: #4b9cdb;
  151. 151 }
  152. 152
  153. 153 .bubble-2 {
  154. 154   top: auto;
  155. 155   bottom: 0;
  156. 156 }
  157. 157
  158. 158 .bar {
  159. 159   float: left;
  160. 160   width: 15px;
  161. 161   height: 6px;
  162. 162   border-radius: 2px;
  163. 163   background-color: #4b9cdb;
  164. 164 }
  165. 165
  166. 166 /* =Animate the stuff
  167. 167 ------------------------ */
  168. 168 .load-1 .line:nth-last-child(1) {
  169. 169   animation: loadingA 1.5s 1s infinite;
  170. 170 }
  171. 171 .load-1 .line:nth-last-child(2) {
  172. 172   animation: loadingA 1.5s 0.5s infinite;
  173. 173 }
  174. 174 .load-1 .line:nth-last-child(3) {
  175. 175   animation: loadingA 1.5s 0s infinite;
  176. 176 }
  177. 177
  178. 178 .load-2 .line:nth-last-child(1) {
  179. 179   animation: loadingB 1.5s 1s infinite;
  180. 180 }
  181. 181 .load-2 .line:nth-last-child(2) {
  182. 182   animation: loadingB 1.5s 0.5s infinite;
  183. 183 }
  184. 184 .load-2 .line:nth-last-child(3) {
  185. 185   animation: loadingB 1.5s 0s infinite;
  186. 186 }
  187. 187
  188. 188 .load-3 .line:nth-last-child(1) {
  189. 189   animation: loadingC 0.6s 0.1s linear infinite;
  190. 190 }
  191. 191 .load-3 .line:nth-last-child(2) {
  192. 192   animation: loadingC 0.6s 0.2s linear infinite;
  193. 193 }
  194. 194 .load-3 .line:nth-last-child(3) {
  195. 195   animation: loadingC 0.6s 0.3s linear infinite;
  196. 196 }
  197. 197
  198. 198 .load-4 .ring-1 {
  199. 199   animation: loadingD 1.5s 0.3s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;
  200. 200 }
  201. 201
  202. 202 .load-5 .ball-holder {
  203. 203   animation: loadingE 1.3s linear infinite;
  204. 204 }
  205. 205
  206. 206 .load-6 .letter {
  207. 207   animation-name: loadingF;
  208. 208   animation-duration: 1.6s;
  209. 209   animation-iteration-count: infinite;
  210. 210   animation-direction: linear;
  211. 211 }
  212. 212
  213. 213 .l-1 {
  214. 214   animation-delay: 0.48s;
  215. 215 }
  216. 216 .l-2 {
  217. 217   animation-delay: 0.6s;
  218. 218 }
  219. 219 .l-3 {
  220. 220   animation-delay: 0.72s;
  221. 221 }
  222. 222 .l-4 {
  223. 223   animation-delay: 0.84s;
  224. 224 }
  225. 225 .l-5 {
  226. 226   animation-delay: 0.96s;
  227. 227 }
  228. 228 .l-6 {
  229. 229   animation-delay: 1.08s;
  230. 230 }
  231. 231 .l-7 {
  232. 232   animation-delay: 1.2s;
  233. 233 }
  234. 234 .l-8 {
  235. 235   animation-delay: 1.32s;
  236. 236 }
  237. 237 .l-9 {
  238. 238   animation-delay: 1.44s;
  239. 239 }
  240. 240 .l-10 {
  241. 241   animation-delay: 1.56s;
  242. 242 }
  243. 243
  244. 244 .load-7 .square {
  245. 245   animation: loadingG 1.5s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;
  246. 246 }
  247. 247
  248. 248 .load-8 .line {
  249. 249   animation: loadingH 1.5s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;
  250. 250 }
  251. 251
  252. 252 .load-9 .spinner {
  253. 253   animation: loadingI 2s linear infinite;
  254. 254 }
  255. 255 .load-9 .bubble-1,
  256. 256 .load-9 .bubble-2 {
  257. 257   animation: bounce 2s ease-in-out infinite;
  258. 258 }
  259. 259 .load-9 .bubble-2 {
  260. 260   animation-delay: -1s;
  261. 261 }
  262. 262
  263. 263 .load-10 .bar {
  264. 264   animation: loadingJ 2s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;
  265. 265 }
  266. 266
  267. 267 @keyframes loadingA {
  268. 268   0 {
  269. 269     height: 15px;
  270. 270   }
  271. 271   50% {
  272. 272     height: 35px;
  273. 273   }
  274. 274   100% {
  275. 275     height: 15px;
  276. 276   }
  277. 277 }
  278. 278
  279. 279 @keyframes loadingB {
  280. 280   0 {
  281. 281     width: 15px;
  282. 282   }
  283. 283   50% {
  284. 284     width: 35px;
  285. 285   }
  286. 286   100% {
  287. 287     width: 15px;
  288. 288   }
  289. 289 }
  290. 290
  291. 291 @keyframes loadingC {
  292. 292   0 {
  293. 293     transform: translate(0, 0);
  294. 294   }
  295. 295   50% {
  296. 296     transform: translate(0, 15px);
  297. 297   }
  298. 298   100% {
  299. 299     transform: translate(0, 0);
  300. 300   }
  301. 301 }
  302. 302
  303. 303 @keyframes loadingD {
  304. 304   0 {
  305. 305     transform: rotate(0deg);
  306. 306   }
  307. 307   50% {
  308. 308     transform: rotate(180deg);
  309. 309   }
  310. 310   100% {
  311. 311     transform: rotate(360deg);
  312. 312   }
  313. 313 }
  314. 314
  315. 315 @keyframes loadingE {
  316. 316   0 {
  317. 317     transform: rotate(0deg);
  318. 318   }
  319. 319   100% {
  320. 320     transform: rotate(360deg);
  321. 321   }
  322. 322 }
  323. 323
  324. 324 @keyframes loadingF {
  325. 325   0% {
  326. 326     opacity: 0;
  327. 327   }
  328. 328   100% {
  329. 329     opacity: 1;
  330. 330   }
  331. 331 }
  332. 332
  333. 333 @keyframes loadingG {
  334. 334   0% {
  335. 335     transform: translate(0, 0) rotate(0deg);
  336. 336   }
  337. 337   50% {
  338. 338     transform: translate(70px, 0) rotate(360deg);
  339. 339   }
  340. 340   100% {
  341. 341     transform: translate(0, 0) rotate(0deg);
  342. 342   }
  343. 343 }
  344. 344
  345. 345 @keyframes loadingH {
  346. 346   0% {
  347. 347     width: 15px;
  348. 348   }
  349. 349   50% {
  350. 350     width: 35px;
  351. 351     padding: 4px;
  352. 352   }
  353. 353   100% {
  354. 354     width: 15px;
  355. 355   }
  356. 356 }
  357. 357
  358. 358 @keyframes loadingI {
  359. 359   100% {
  360. 360     transform: rotate(360deg);
  361. 361   }
  362. 362 }
  363. 363
  364. 364 @keyframes bounce {
  365. 365   0%,
  366. 366   100% {
  367. 367     transform: scale(0);
  368. 368   }
  369. 369   50% {
  370. 370     transform: scale(1);
  371. 371   }
  372. 372 }
  373. 373
  374. 374 @keyframes loadingJ {
  375. 375   0%,
  376. 376   100% {
  377. 377     transform: translate(0, 0);
  378. 378   }
  379. 379
  380. 380   50% {
  381. 381     transform: translate(80px, 0);
  382. 382     background-color: #f5634a;
  383. 383     width: 25px;
  384. 384   }
  385. 385 }

/* -----------------------------------------  =Default css to make the demo more pretty-------------------------------------------- */
body {  margin: 0 auto;  padding: 20px;  max-width: 1200px;  overflow-y: scroll;  font-family: "Open Sans", sans-serif;  font-weight: 400;  color: #777;  background-color: #f7f7f7;  -webkit-font-smoothing: antialiased;  -webkit-text-size-adjust: 100%;  -ms-text-size-adjust: 100%;}
.content {  padding: 15px;  overflow: hidden;  background-color: #e7e7e7;  background-color: rgba(0, 0, 0, 0.06);}
h1 {  padding-bottom: 15px;  border-bottom: 1px solid #d8d8d8;  font-weight: 600;}
h1 span {  font-family: monospace, serif;}
h3 {  padding-bottom: 20px;  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1), 0 2px 0 rgba(255, 255, 255, 0.9);}
p {  margin: 0;  padding: 10px 0;  color: #777;}
.clear {  clear: both;}
/* -----------------------------------------  =CSS3 Loading animations-------------------------------------------- */
/* =Elements style---------------------- */.load-wrapp {  float: left;  width: 100px;  height: 100px;  margin: 0 10px 10px 0;  padding: 20px 20px 20px;  border-radius: 5px;  text-align: center;  background-color: #d8d8d8;}
.load-wrapp p {  padding: 0 0 20px;}.load-wrapp:last-child {  margin-right: 0;}
.line {  display: inline-block;  width: 15px;  height: 15px;  border-radius: 15px;  background-color: #4b9cdb;}
.ring-1 {  width: 10px;  height: 10px;  margin: 0 auto;  padding: 10px;  border: 7px dashed #4b9cdb;  border-radius: 100%;}
.ring-2 {  position: relative;  width: 45px;  height: 45px;  margin: 0 auto;  border: 4px solid #4b9cdb;  border-radius: 100%;}
.ball-holder {  position: absolute;  width: 12px;  height: 45px;  left: 17px;  top: 0px;}
.ball {  position: absolute;  top: -11px;  left: 0;  width: 16px;  height: 16px;  border-radius: 100%;  background: #4282b3;}
.letter-holder {  padding: 16px;}
.letter {  float: left;  font-size: 14px;  color: #777;}
.square {  width: 12px;  height: 12px;  border-radius: 4px;  background-color: #4b9cdb;}
.spinner {  position: relative;  width: 45px;  height: 45px;  margin: 0 auto;}
.bubble-1,.bubble-2 {  position: absolute;  top: 0;  width: 25px;  height: 25px;  border-radius: 100%;  background-color: #4b9cdb;}
.bubble-2 {  top: auto;  bottom: 0;}
.bar {  float: left;  width: 15px;  height: 6px;  border-radius: 2px;  background-color: #4b9cdb;}
/* =Animate the stuff------------------------ */.load-1 .line:nth-last-child(1) {  animation: loadingA 1.5s 1s infinite;}.load-1 .line:nth-last-child(2) {  animation: loadingA 1.5s 0.5s infinite;}.load-1 .line:nth-last-child(3) {  animation: loadingA 1.5s 0s infinite;}
.load-2 .line:nth-last-child(1) {  animation: loadingB 1.5s 1s infinite;}.load-2 .line:nth-last-child(2) {  animation: loadingB 1.5s 0.5s infinite;}.load-2 .line:nth-last-child(3) {  animation: loadingB 1.5s 0s infinite;}
.load-3 .line:nth-last-child(1) {  animation: loadingC 0.6s 0.1s linear infinite;}.load-3 .line:nth-last-child(2) {  animation: loadingC 0.6s 0.2s linear infinite;}.load-3 .line:nth-last-child(3) {  animation: loadingC 0.6s 0.3s linear infinite;}
.load-4 .ring-1 {  animation: loadingD 1.5s 0.3s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;}
.load-5 .ball-holder {  animation: loadingE 1.3s linear infinite;}
.load-6 .letter {  animation-name: loadingF;  animation-duration: 1.6s;  animation-iteration-count: infinite;  animation-direction: linear;}
.l-1 {  animation-delay: 0.48s;}.l-2 {  animation-delay: 0.6s;}.l-3 {  animation-delay: 0.72s;}.l-4 {  animation-delay: 0.84s;}.l-5 {  animation-delay: 0.96s;}.l-6 {  animation-delay: 1.08s;}.l-7 {  animation-delay: 1.2s;}.l-8 {  animation-delay: 1.32s;}.l-9 {  animation-delay: 1.44s;}.l-10 {  animation-delay: 1.56s;}
.load-7 .square {  animation: loadingG 1.5s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;}
.load-8 .line {  animation: loadingH 1.5s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;}
.load-9 .spinner {  animation: loadingI 2s linear infinite;}.load-9 .bubble-1,.load-9 .bubble-2 {  animation: bounce 2s ease-in-out infinite;}.load-9 .bubble-2 {  animation-delay: -1s;}
.load-10 .bar {  animation: loadingJ 2s cubic-bezier(0.17, 0.37, 0.43, 0.67) infinite;}
@keyframes loadingA {  0 {    height: 15px;  }  50% {    height: 35px;  }  100% {    height: 15px;  }}
@keyframes loadingB {  0 {    width: 15px;  }  50% {    width: 35px;  }  100% {    width: 15px;  }}
@keyframes loadingC {  0 {    transform: translate(0, 0);  }  50% {    transform: translate(0, 15px);  }  100% {    transform: translate(0, 0);  }}
@keyframes loadingD {  0 {    transform: rotate(0deg);  }  50% {    transform: rotate(180deg);  }  100% {    transform: rotate(360deg);  }}
@keyframes loadingE {  0 {    transform: rotate(0deg);  }  100% {    transform: rotate(360deg);  }}
@keyframes loadingF {  0% {    opacity: 0;  }  100% {    opacity: 1;  }}
@keyframes loadingG {  0% {    transform: translate(0, 0) rotate(0deg);  }  50% {    transform: translate(70px, 0) rotate(360deg);  }  100% {    transform: translate(0, 0) rotate(0deg);  }}
@keyframes loadingH {  0% {    width: 15px;  }  50% {    width: 35px;    padding: 4px;  }  100% {    width: 15px;  }}
@keyframes loadingI {  100% {    transform: rotate(360deg);  }}
@keyframes bounce {  0%,  100% {    transform: scale(0);  }  50% {    transform: scale(1);  }}
@keyframes loadingJ {  0%,  100% {    transform: translate(0, 0);  }
  50% {    transform: translate(80px, 0);    background-color: #f5634a;    width: 25px;  }}

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