svg+css实现蜻蜓展翅飞翔动画效果代码-html代码-BFW代码库

代码语言：html
所属分类：动画
代码描述：svg+css实现蜻蜓展翅飞翔动画效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">

<style>
    body {
  background-color: #676;
}

.title {
  position: absolute;
  right: 80px;
  top: 40px;
  font-size: 70px;
}

.overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-image: url(http://bravada.besaba.com/wp-content/uploads/2015/10/travka.jpg);
  -moz-background-size: cover;
  -o-background-size: cover;
  -webkit-background-size: cover;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: centre center;
}

.axis {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.dot {
  position: absolute;
  border-radius: 50%;
  width: 93px;
  height: 24px;
}

#fly {
  animation: fly 0.2s infinite;
}

@keyframes fly {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
.dot:nth-child(1) {
  animation: flyin1 15s infinite;
  -moz-transition: all 0.31s;
  -o-transition: all 0.31s;
  -webkit-transition: all 0.31s;
  transition: all 0.31s;
}

.dot:nth-child(1) svg {
  width: 3px;
  height: 25px;
}

@keyframes flyin1 {
  0% {
    transform: translate(130px, 431px);
    top: 689px;
    left: 370px;
    opacity: 0;
    -moz-transform: rotate(2deg);
    -ms-transform: rotate(2deg);
    -webkit-transform: rotate(2deg);
    transform: rotate(2deg);
  }
  1% {
    transform: translate(96px, 193px);
    top: 263px;
    left: 997px;
    opacity: 1;
  }
  50% {
    transform: translate(23px, 75px);
    top: 421px;
    left: 116px;
    -moz-transform: rotate(2deg);
    -ms-transform: rotate(2deg);
    -webkit-transform: rotate(2deg);
    transform: rotate(2deg);
  }
  99% {
    transform: translate(56px, 333px);
    top: 528px;
    left: 267px;
    opacity: 1;
  }
  100% {
    transform: translate(21px, 219px);
    top: 180px;
    left: 524px;
    opacity: 0;
  }
}
.dot:nth-child(2) {
  animation: flyin2 15s infinite;
  -moz-transition: all 0.32s;
  -o-transition: all 0.32s;
  -webkit-transition: all 0.32s;
  transition: all 0.32s;
}

.dot:nth-child(2) svg {
  width: 18px;
  height: 1px;
}

@keyframes flyin2 {
  0% {
    transform: translate(141px, 488px);
    top: 331px;
    left: 271px;
    opacity: 0;
    -moz-transform: rotate(4deg);
    -ms-transform: rotate(4deg);
    -webkit-transform: rotate(4deg);
    transform: rotate(4deg);
  }
  1% {
    transform: translate(64px, 313px);
    top: 601px;
    left: 848px;
    opacity: 1;
  }
  50% {
    transform: translate(120px, 134px);
    top: 491px;
    left: 742px;
    -moz-transform: rotate(4deg);
    -ms-transform: rotate(4deg);
    -webkit-transform: rotate(4deg);
    transform: rotate(4deg);
  }
  99% {
    transform: translate(167px, 356px);
    top: 143px;
    left: 370px;
    opacity: 1;
  }
  100% {
    transform: translate(133px, 459px);
    top: 421px;
    left: 526px;
    opacity: 0;
  }
}
.dot:nth-child(3) {
  animation: flyin3 15s infinite;
  -moz-transition: all 0.33s;
  -o-transition: all 0.33s;
  -webkit-transition: all 0.33s;
  transition: all 0.33s;
}

.dot:nth-child(3) svg {
  width: 44px;
  height: 65px;
}

@keyframes flyin3 {
  0% {
    transform: translate(171px, 412px);
    top: 163px;
    left: 513px;
    opacity: 0;
    -moz-transform: rotate(6deg);
    -ms-transform: rotate(6deg);
    -webkit-transform: rotate(6deg);
    transform: rotate(6deg);
  }
  1% {
    transform: translate(107px, 436px);
    top: 321px;
    left: 620px;
    opacity: 1;
  }
  50% {
    transform: translate(26px, 135px);
    top: 62px;
    left: 278px;
    -moz-transform: rotate(6deg);
    -ms-transform: rotate(6deg);
    -webkit-transform: rotate(6deg);
    transform: rotate(6deg);
  }
  99% {
    transform: translate(184px, 275px);
    top: 556px;
    left: 744px;
    opacity: 1;
  }
  100% {
    transform: translate(48px, 143px);
    top: 350px;
    left: 527px;
    opacity: 0;
  }
}
.dot:nth-child(4) {
  animation: flyin4 15s infinite;
  -moz-transition: all 0.34s;
  -o-transition: all 0.34s;
  -webkit-transition: all 0.34s;
  transition: all 0.34s;
}

.dot:nth-child(4) svg {
  width: 49px;
  height: 27px;
}

@keyframes flyin4 {
  0% {
    transform: translate(24px, 172px);
    top: 584px;
    left: 675px;
    opacity: 0;
    -moz-transform: rotate(8deg);
    -ms-transform: rotate(8deg);
    -webkit-transform: rotate(8deg);
    transform: rotate(8deg);
  }
  1% {
    transform: translate(32px, 455px);
    top: 145px;
    left: 640px;
    opacity: 1;
  }
  50% {
    transform: translate(181px, 269px);
    top: 90px;
    left: 267px;
    -moz-transform: rotate(8deg);
    -ms-transform: rotate(8deg);
    -webkit-transform: rotate(8deg);
    transform: rotate(8deg);
  }
  99% {
    transform: translate(141px, 452px);
    top: 1px;
    left: 106px;
    opacity: 1;
  }
  100% {
    transform: translate(162px, 338px);
    top: 178px;
    left: 550px;
    opacity: 0;
  }
}
.dot:nth-child(5) {
  animation: flyin5 15s infinite;
  -moz-transition: all 0.35s;
  -o-transition: all 0.35s;
  -webkit-transition: all 0.35s;
  transition: all 0.35s;
}

.dot:nth-child(5) svg {
  width: 23px;
  height: 57px;
}

@keyframes flyin5 {
  0% {
    transform: translate(179px, 365px);
    top: 671px;
    left: 879px;
    opacity: 0;
    -moz-transform: rotate(10deg);
    -ms-transform: rotate(10deg);
    -webkit-transform: rotate(10deg);
    transform: rotate(10deg);
  }
  1% {
    transform: translate(172px, 490px);
    top: 42px;
    left: 601px;
    opacity: 1;
  }
  50% {
    transform: translate(134px, 198px);
    top: 480px;
    left: 108px;
    -moz-transform: rotate(10deg);
    -ms-transform: rotate(10deg);
    -webkit-transform: rotate(10deg);
    transform: rotate(10deg);
  }
  99% {
    transform: translate(174px, 63px);
    top: 411px;
    left: 108px;
    opacity: 1;
  }
  100% {
    transform: translate(156px, 60px);
    top: 63px;
    left: 622px;
    opacity: 0;
  }
}
.dot:nth-child(6) {
  animation: flyin6 15s infinite;
  -moz-transition: all 0.36s;
  -o-transition: all 0.36s;
  -webkit-transition: all 0.36s;
  transition: all 0.36s;
}

.dot:nth-child(6) svg {
  width: 9px;
  height: 144px;
}

@keyframes flyin6 {
  0% {
    transform: translate(165px, 445px);
    top: 620px;
    left: 870px;
    opacity: 0;
    -moz-transform: rotate(12deg);
    -ms-transform: rotate(12deg);
    -webkit-transform: rotate(12deg);
    transform: rotate(12deg);
  }
  1% {
    transform: translate(25px, 323px);
    top: 462px;
    left: 214px;
    opacity: 1;
  }
  50% {
    transform: translate(50px, 10px);
    top: 320px;
    left: 828px;
    -moz-transform: rotate(12deg);
    -ms-transform: rotate(12deg);
    -webkit-transform: rotate(12deg);
    transform: rotate(12deg);
  }
  99% {
    transform: translate(11px, 95px);
    top: 586px;
    left: 593px;
    opacity: 1;
  }
  100% {
    transform: translate(105px, 267px);
    top: 197px;
    left: 276px;
    opacity: 0;
  }
}
.dot:nth-child(7) {
  animation: flyin7 15s infinite;
  -moz-transition: all 0.37s;
  -o-transition: all 0.37s;
  -webkit-transition: all 0.37s;
  transition: all 0.37s;
}

.dot:nth-child(7) svg {
  width: 210px;
  height: 43px;
}

@keyframes flyin7 {
  0% {
    transform: translate(97px, 336px);
    top: 146px;
    left: 633px;
    opacity: 0;
    -moz-transform: rotate(14deg);
    -ms-transform: rotate(14deg);
    -webkit-transform: rotate(14deg);
    transform: rotate(14deg);
  }
  1% {
    transform: translate(79px, 203px);
    top: 611px;
    left: 291px;
    opacity: 1;
  }
  50% {
    transform: translate(81px, 91px);
    top: 700px;
    left: 371px;
    -moz-transform: rotate(14deg);
    -ms-transform: rotate(14deg);
    -webkit-transform: rotate(14deg);
    transform: rotate(14deg);
  }
  99% {
    transform: translate(36px, 387px);
    top: 470px;
    left: 54px;
    opacity: 1;
  }
  100% {
    transform: translate(171px, 354px);
    top: 413px;
    left: 600px;
    opacity: 0;
  }
}
.dot:nth-child(8) {
  animation: flyin8 15s infinite;
  -moz-transition: all 0.38s;
  -o-transition: all 0.38s;
  -webkit-transition: all 0.38s;
  transition: all 0.38s;
}

.dot:nth-child(8) svg {
  width: 64px;
  height: 47px;
}

@keyframes flyin8 {
  0% {
    transform: translate(189px, 471px);
    top: 467px;
    left: 906px;
    opacity: 0;
    -moz-transform: rotate(16deg);
    -ms-transform: rotate(16deg);
    -webkit-transform: rotate(16deg);
    transform: rotate(16deg);
  }
  1% {
    transform: translate(139px, 282px);
    top: 549px;
    left: 165px;
    opacity: 1;
  }
  50% {
    transform: translate(189px, 14px);
    top: 305px;
    left: 480px;
    -moz-transform: rotate(16deg);
    -ms-transform: rotate(16deg);
    -webkit-transform: rotate(16deg);
    transform: rotate(16deg);
  }
  99% {
    transform: translate(188px, 340px);
    top: 468px;
    left: 296px;
    opacity: 1;
  }
  100% {
    transform: translate(152px, 295px);
    top: 571px;
    left: 682px;
    opacity: 0;
  }
}
.dot:nth-child(9) {
  animation: flyin9 15s infinite;
  -moz-transition: all 0.39s;
  -o-transition: all 0.39s;
  -webkit-transition: all 0.39s;
  transition: all 0.39s;
}

.dot:nth-child(9) svg {
  width: 36px;
  height: 250px;
}

@keyframes flyin9 {
  0% {
    transform: translate(180px, 89px);
    top: 75px;
    left: 665px;
    opacity: 0;
    -moz-transform: rotate(18deg);
    -ms-transform: rotate(18deg);
    -webkit-transform: rotate(18deg);
    transform: rotate(18deg);
  }
  1% {
    transform: translate(106px, 321px);
    top: 610px;
    left: 256px;
    opacity: 1;
  }
  50% {
    transform: translate(198px, 489px);
    top: 328px;
    left: 322px;
    -moz-transform: rotate(18deg);
    -ms-transform: rotate(18deg);
    -webkit-transform: rotate(18deg);
    transform: rotate(18deg);
  }
  99% {
    transform: translate(7px, 415px);
    top: 20px;
    left: 852px;
    opacity: 1;
  }
  100% {
    transform: translate(110px, 102px);
    top: 541px;
    left: 137px;
    opacity: 0;
  }
}
.dot:nth-child(10) {
  animation: flyin10 15s infinite;
  -moz-transition: all 0.4s;
  -o-transition: all 0.4s;
  -webkit-transition: all 0.4s;
  transition: all 0.4s;
}

.dot:nth-child(10) svg {
  width: 179px;
  height: 149px;
}

@keyframes flyin10 {
  0% {
    transform: translate(175px, 109px);
    top: 525px;
    left: 147px;
    opacity: 0;
    -moz-transform: rotate(20deg);
    -ms-transform: rotate(20deg);
    -webkit-transform: rotate(20deg);
    transform: rotate(20deg);
  }
  1% {
    transform: translate(6px, 182px);
    top: 322px;
    left: 963px;
    opacity: 1;
  }
  50% {
    transform: translate(28px, 102px);
    top: 276px;
    left: 716px;
    -moz-transform: rotate(20deg);
    -ms-transform: rotate(20deg);
    -webkit-transform: rotate(20deg);
    transform: rotate(20deg);
  }
  99% {
    transform: translate(193px, 447px);
    top: 499px;
    left: 906px;
    opacity: 1;
  }
  100% {
    transform: translate(181px, 373px);
    top: 197px;
    left: 255px;
    opacity: 0;
  }
}
.dot:nth-child(11) {
  animation: flyin11 15s infinite;
  -moz-transition: all 0.41s;
  -o-transition: all 0.41s;
  -webkit-transition: all 0.41s;
  transition: all 0.41s;
}

.dot:nth-child(11) svg {
  width: 208px;
  height: 255px;
}

@keyframes flyin11 {
  0% {
    transform: translate(92px, 28px);
    top: 188px;
    left: 644px;
    opacity: 0;
    -moz-transform: rotate(22deg);
    -ms-transform: rotate(22deg);
    -webkit-transform: rotate(22deg);
    transform: rotate(22deg);
  }
  1% {
    transform: translate(57px, 306px);
    top: 670px;
    left: 163px;
    opacity: 1;
  }
  50% {
    transform: translate(109px, 272px);
    top: 458px;
    left: 902px;
    -moz-transform: rotate(22deg);
    -ms-transform: rotate(22deg);
    -webkit-transform: rotate(22deg);
    transform: rotate(22deg);
  }
  99% {
    transform: translate(19px, 387px);
    top: 348px;
    left: 849px;
    opacity: 1;
  }
  100% {
    transform: translate(199px, 474px);
    top: 546px;
    left: 22px;
    opacity: 0;
  }
}
.dot:nth-child(12) {
  animation: flyin12 15s infinite;
  -moz-transition: all 0.42s;
  -o-transition: all 0.42s;
  -webkit-transition: all 0.42s;
  transition: all 0.42s;
}

.dot:nth-child(12) svg {
  width: 154px;
  height: 237px;
}

@keyframes flyin12 {
  0% {
    transform: translate(115px, 195px);
    top: 28px;
    left: 510px;
    opacity: 0;
    -moz-transform: rotate(24deg);
    -ms-transform: rotate(24deg);
    -webkit-transform: rotate(24deg);
    transform: rotate(24deg);
  }
  1% {
    transform: translate(20px, 235px);
    top: 626px;
    left: 721px;
    opacity: 1;
  }
  50% {
    transform: translate(171px, 462px);
    top: 462px;
    left: 351px;
    -moz-transform: rotate(24deg);
    -ms-transform: rotate(24deg);
    -webkit-transform: rotate(24deg);
    transform: rotate(24deg);
  }
  99% {
    transform: translate(137px, 103px);
    top: 342px;
    left: 477px;
    opacity: 1;
  }
  100% {
    transform: translate(30px, 67px);
    top: 591px;
    left: 595px;
    opacity: 0;
  }
}
.dot:nth-child(13) {
  animation: flyin13 15s infinite;
  -moz-transition: all 0.43s;
  -o-transition: all 0.43s;
  -webkit-transition: all 0.43s;
  transition: all 0.43s;
}

.dot:nth-child(13) svg {
  width: 157px;
  height: 9px;
}

@keyframes flyin13 {
  0% {
    transform: translate(160px, 6px);
    top: 681px;
    left: 720px;
    opacity: 0;
    -moz-transform: rotate(26deg);
    -ms-transform: rotate(26deg);
    -webkit-transform: rotate(26deg);
    transform: rotate(26deg);
  }
  1% {
    transform: translate(155px, 328px);
    top: 192px;
    left: 155px;
    opacity: 1;
  }
  50% {
    transform: translate(115px, 496px);
    top: 593px;
    left: 751px;
    -moz-transform: rotate(26deg);
    -ms-transform: rotate(26deg);
    -webkit-transform: rotate(26deg);
    transform: rotate(26deg);
  }
  99% {
    transform: translate(199px, 369px);
    top: 654px;
    left: 374px;
    opacity: 1;
  }
  100% {
    transform: translate(152px, 193px);
    top: 108px;
    left: 749px;
    opacity: 0;
  }
}
.dot:nth-child(14) {
  animation: flyin14 15s infinite;
  -moz-transition: all 0.44s;
  -o-transition: all 0.44s;
  -webkit-transition: all 0.44s;
  transition: all 0.44s;
}

.dot:nth-child(14) svg {
  width: 156px;
  height: 173px;
}

@keyframes flyin14 {
  0% {
    transform: translate(197px, 121px);
    top: 468px;
    left: 171px;
    opacity: 0;
    -moz-transform: rotate(28deg);
    -ms-transform: rotate(28deg);
    -webkit-transform: rotate(28deg);
    transform: rotate(28deg);
  }
  1% {
    transform: translate(107px, 427px);
    top: 538px;
    left: 712px;
    opacity: 1;
  }
  50% {
    transform: translate(105px, 170px);
    top: 484px;
    left: 931px;
    -moz-transform: rotate(28deg);
    -ms-transform: rotate(28deg);
    -webkit-transform: rotate(28deg);
    transform: rotate(28deg);
  }
  99% {
    transform: translate(20px, 198px);
    top: 390px;
    left: 958px;
    opacity: 1;
  }
  100% {
    transform: translate(195px, 439px);
    top: 613px;
    left: 127px;
    opacity: 0;
  }
}
.dot:nth-child(15) {
  animation: flyin15 15s infinite;
  -moz-transition: all 0.45s;
  -o-transition: all 0.45s;
  -webkit-transition: all 0.45s;
  transition: all 0.45s;
}

.dot:nth-child(15) svg {
  width: 341px;
  height: 17px;
}

@keyframes flyin15 {
  0% {
    transform: translate(44px, 42px);
    top: 684px;
    left: 866px;
    opacity: 0;
    -moz-transform: rotate(30deg);
    -ms-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    transform: rotate(30deg);
  }
  1% {
    transform: translate(118px, 203px);
    top: 658px;
    left: 431px;
    opacity: 1;
  }
  50% {
    transform: translate(38px, 31px);
    top: 608px;
    left: 678px;
    -moz-transform: rotate(30deg);
    -ms-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    transform: rotate(30deg);
  }
  99% {
    transform: translate(68px, 64px);
    top: 210px;
    left: 785px;
    opacity: 1;
  }
  100% {
    transform: translate(91px, 10px);
    top: 386px;
    left: 650px;
    opacity: 0;
  }
}
.dot:nth-child(16) {
  animation: flyin16 15s infinite;
  -moz-transition: all 0.46s;
  -o-transition: all 0.46s;
  -webkit-transition: all 0.46s;
  transition: all 0.46s;
}

.dot:nth-child(16) svg {
  width: 125px;
  height: 301px;
}

@keyframes flyin16 {
  0% {
    transform: translate(85px, 328px);
    top: 164px;
    left: 98px;
    opacity: 0;
    -moz-transform: rotate(32deg);
    -ms-transform: rotate(32deg);
    -webkit-transform: rotate(32deg);
    transform: rotate(32deg);
  }
  1% {
    transform: translate(192px, 177px);
    top: 478px;
    left: 612px;
    opacity: 1;
  }
  50% {
    transform: translate(49px, 402px);
    top: 189px;
    left: 300px;
    -moz-transform: rotate(32deg);
    -ms-transform: rotate(32deg);
    -webkit-transform: rotate(32deg);
    transform: rotate(32deg);
  }
  99% {
    transform: translate(64px, 202px);
    top: 493px;
    left: 267px;
    opacity: 1;
  }
  100% {
    transform: translate(144px, 95px);
    top: 525px;
    left: 511px;
    opacity: 0;
  }
}
.dot:nth-child(17) {
  animation: flyin17 15s infinite;
  -moz-transition: all 0.47s;
  -o-transition: all 0.47s;
  -webkit-transition: all 0.47s;
  transition: all 0.47s;
}

.dot:nth-child(17) svg {
  width: 118px;
  height: 154px;
}

@keyframes flyin17 {
  0% {
    transform: translate(1px, 211px);
    top: 17px;
    left: 712px;
    opacity: 0;
    -moz-transform: rotate(34deg);
    -ms-transform: rotate(34deg);
    -webkit-transform: rotate(34deg);
    transform: rotate(34deg);
  }
  1% {
    transform: translate(82px, 244px);
    top: 576px;
    left: 121px;
    opacity: 1;
  }
  50% {
    transform: translate(178px, 51px);
    top: 674px;
    left: 322px;
    -moz-transform: rotate(34deg);
    -ms-transform: rotate(34deg);
    -webkit-transform: rotate(34deg);
    transform: rotate(34deg);
  }
  99% {
    transform: translate(193px, 140px);
    top: 126px;
    left: 609px;
    opacity: 1;
  }
  100% {
    transform: translate(50px, 334px);
    top: 400px;
    left: 305px;
    opacity: 0;
  }
}
.dot:nth-child(18) {
  animation: flyin18 15s infinite;
  -moz-transition: all 0.48s;
  -o-transition: all 0.48s;
  -webkit-transition: all 0.48s;
  transition: all 0.48s;
}

.dot:nth-child(18) svg {
  width: 540px;
  height: 29px;
}

@keyframes flyin18 {
  0% {
    transform: translate(4px, 402px);
    top: 565px;
    left: 474px;
    opacity: 0;
    -moz-transform: rotate(36deg);
    -ms-transform: rotate(36deg);
    -webkit-transform: rotate(36deg);
    transform: rotate(36deg);
  }
  1% {
    transform: translate(152px, 420px);
    top: 232px;
    left: 88px;
    opacity: 1;
  }
  50% {
    transform: translate(46px, 117px);
    top: 37px;
    left: 584px;
    -moz-transform: rotate(36deg);
    -ms-transform: rotate(36deg);
    -webkit-transform: rotate(36deg);
    transform: rotate(36deg);
  }
  99% {
    transform: translate(146px, 59px);
    top: 504px;
    left: 442px;
    opacity: 1;
  }
  100% {
    transform: translate(176px, 217px);
    top: 32px;
    left: 164px;
    opacity: 0;
  }
}
.dot:nth-child(19) {
  animation: flyin19 15s infinite;
  -moz-transition: all 0.49s;
  -o-transition: all 0.49s;
  -webkit-transition: all 0.49s;
  transition: all 0.49s;
}

.dot:nth-child(19) svg {
  width: 190px;
  height: 156px;
}

@keyframes flyin19 {
  0% {
    transform: translate(12px, 117px);
    top: 609px;
    left: 840px;
    opacity: 0;
    -moz-transform: rotate(38deg);
    -ms-transform: rotate(38deg);
    -webkit-transform: rotate(38deg);
    transform: rotate(38deg);
  }
  1% {
    transform: translate(154px, 134px);
    top: 242px;
    left: 875px;
    opacity: 1;
  }
  50% {
    transform: translate(36px, 202px);
    top: 577px;
    left: 179px;
    -moz-transform: rotate(38deg);
    -ms-transform: rotate(38deg);
    -webkit-transform: rotate(38deg);
    transform: rotate(38deg);
  }
  99% {
    transform: translate(162px, 462px);
    top: 402px;
    left: 980px;
    opacity: 1;
  }
  100% {
    transform: translate(99px, 417px);
    top: 382px;
    left: 893px;
    opacity: 0;
  }
}
.dot:nth-child(20) {
  animation: flyin20 15s infinite;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}

.dot:nth-child(20) svg {
  width: 362px;
  height: 396px;
}

@keyframes flyin20 {
  0% {
    transform: translate(167px, 75px);
    top: 580px;
    left: 588px;
    opacity: 0;
    -moz-transform: rotate(40deg);
    -ms-transform: rotate(40deg);
    -webkit-transform: rotate(40deg);
    transform: rotate(40deg);
  }
  1% {
    transform: translate(179px, 134px);
    top: 113px;
    left: 506px;
    opacity: 1;
  }
  50% {
    transform: translate(65px, 250px);
    top: 666px;
    left: 150px;
    -moz-transform: rotate(40deg);
    -ms-transform: rotate(40deg);
    -webkit-transform: rotate(40deg);
    transform: rotate(40deg);
  }
  99% {
    transform: translate(47px, 34px);
    top: 689px;
    left: 295px;
    opacity: 1;
  }
  100% {
    transform: translate(49px, 189px);
    top: 700px;
    left: 102px;
    opacity: 0;
  }
}
.dot:nth-child(21) {
  animation: flyin21 15s infinite;
  -moz-transition: all 0.51s;
  -o-transition: all 0.51s;
  -webkit-transition: all 0.51s;
  transition: all 0.51s;
}

.dot:nth-child(21) svg {
  width: 458px;
  height: 378px;
}

@keyframes flyin21 {
  0% {
    transform: translate(189px, 74px);
    top: 552px;
    left: 436px;
    opacity: 0;
    -moz-transform: rotate(42deg);
    -ms-transform: rotate(42deg);
    -webkit-transform: rotate(42deg);
    transform: rotate(42deg);
  }
  1% {
    transform: translate(189px, 340px);
    top: 122px;
    left: 671px;
    opacity: 1;
  }
  50% {
    transform: translate(96px, 322px);
    top: 100px;
    left: 1px;
    -moz-transform: rotate(42deg);
    -ms-transform: rotate(42deg);
    -webkit-transform: rotate(42deg);
    transform: rotate(42deg);
  }
  99% {
    transform: translate(99px, 178px);
    top: 387px;
    left: 423px;
    opacity: 1;
  }
  100% {
    transform: translate(125px, 260px);
    top: 674px;
    left: 474px;
    opacity: 0;
  }
}
.dot:nth-child(22) {
  animation: flyin22 15s infinite;
  -moz-transition: all 0.52s;
  -o-transition: all 0.52s;
  -webkit-transition: all 0.52s;
  transition: all 0.52s;
}

.dot:nth-child(22) svg {
  width: 76px;
  height: 91px;
}

@keyframes flyin22 {
  0% {
    transform: translate(105px, 408px);
    top: 10px;
    left: 383px;
    opacity: 0;
    -moz-transform: rotate(44deg);
    -ms-transform: rotate(44deg);
    -webkit-transform: rotate(44deg);
    transform: rotate(44deg);
  }
  1% {
    transform: translate(7px, 15px);
    top: 190px;
    left: 56px;
    opacity: 1;
  }
  50% {
    transform: translate(22px, 156px);
    top: 6px;
    left: 213px;
    -moz-transform: rotate(44deg);
    -ms-transform: rotate(44deg);
    -webkit-transform: rotate(44deg);
    transform: ro.........完整代码请登录后点击上方下载按钮下载查看