纯css实现日全食的原理解释动画效果-html代码-BFW代码库

代码语言：html
所属分类：动画
代码描述：纯css实现日全食的原理解释动画效果
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: #21223a;
}

.container {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.sun {
  width: 150px;
  height: 150px;
  background: #fffaa9;
  border-radius: 100%;
  box-shadow: 0 0 60px #ffcfa9, 0 0 100px #b9a018;
  position: relative;
  left: 250px;
}
.sun .left-eye, .sun .left-eye::after {
  position: relative;
  border-top-right-radius: 90px;
  border-top-left-radius: 90px;
  background: #ffcfa9;
  width: 25px;
  height: 12.5px;
  transform: scale(1.5);
  top: 60px;
  left: 30px;
  animation: sun-lefteye 2.3s ease-in-out infinite;
}
.sun .left-eye::after {
  content: "";
  position: absolute;
  background: #fffaa9;
  left: 0px;
  top: 3px;
  transform: scale(0.9);
  animation: sun-eye-smol 2.3s ease-in-out infinite;
}
.sun .right-eye, .sun .right-eye::after {
  position: absolute;
  border-top-right-radius: 90px;
  border-top-left-radius: 90px;
  background: #ffcfa9;
  width: 25px;
  height: 12.5px;
  transform: scale(1.5);
  top: 60px;
  left: 90px;
  animation: sun-righteye 2.3s ease-in-out infinite;
}
.sun .right-eye::after {
  content: "";
  position: absolute;
  background: #fffaa9;
  left: 0px;
  top: 3px;
  transform: scale(0.9);
  animation: sun-eye-smol 2.3s ease-in-out infinite;
}

.left-eyelash, .left-eyelash::after, .right-eyelash::after,
.right-eyelash {
  position: relative;
  width: 2.5px;
  height: 8px;
  background: #ffcfa9;
  border-radius: 200px;
}

.left-eyelash, .left-eyelash::after, .right-eyelash::after {
  top: 2px;
  transform: rotate(-45deg);
}
.left-eyelash::after, .right-eyelash::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 3px;
  transform: rotate(5deg);
}

.right-eyelash {
  top: -1px;
  left: 21px;
  transform: rotate(45deg);
}
.right-eyelash::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 3px;
}

.rays {
  position: absolute;
  transform-origin: center;
  margin: auto;
  width: 150px;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  animation: spin 120s linear infinite;
}

.beam {
  background: linear-gradient(0deg, rgba(255, 255, 255, 0), #ffcfa9 40%, #ffcfa9);
  margin-left: 10px;
  border-radius: 50% 50% 0 0;
  position: absolute;
  opacity: 0.03;
  height: 110px;
}
.beam:nth-child(1) {
  width: 40px;
  transform: rotate(180deg);
  top: -90px;
  left: 42px;
}
.beam:nth-child(2) {
  width: 30px;
  transform: rotate(210deg);
  right: -5px;
  top: -80px;
}
.beam:nth-child(3) {
  width: 50px;
  transform: rotate(255deg);
  top: -20px;
  right: -65px;
}
.beam:nth-child(4) {
  width: 24px;
  transform: rotate(300deg);
  top: 60px;
  left: 150px;
}
.beam:nth-child(5) {
  width: 40px;
  top: 135px;
  left: 40px;
}
.beam:nth-child(6) {
  width: 30px;
  transform: rotate(-35deg);
  top: 115px;
  right: -12px;
}
.beam:nth-child(7) {
  width: 45px;
  transform: rotate(45deg);
  top: 100px;
  left: -45px;
}
.beam:nth-child(8) {
  width: 20px;
  transform: rotate(75deg);
  top: 40px;
  left: -70px;
}
.beam:nth-child(9) {
  width: 50px;
  transform: rotate(-250deg);
  top: -30px;
  left: -70px;
}
.beam:nth-child(10) {
  width: 20px;
  transform: rotate(145deg);
  top: -80px;
  left: -15px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes sun-lefteye {
  50% {
    left: 40px;
  }
}
@keyframes sun-eye-smol {
  50% {
    left: 0px;
  }
}
@keyframes sun-righteye {
  50% {
    left: 100px;
  }
}
.moon {
  width: 80px;
  height: 80px;
  background: #e3e7ea;
  border-radius: 100%;
  position: absolute;
  top: 110px;
  right: 130px;
  transform-origin: 200px center;
  overflow: hidden;
  transform: rotate(-20deg);
  animation: moonOrbit 5s infinite 0.3s;
}
.moon::after {
  content: "";
  width: 80px;
  height: 80px;
  background: transparent;
  border-radius: 100%;
  position: absolute;
  box-shadow: inset 15px -3px 0px #637684;
  z-index: 3;
  opacity: 0.2;
}
.moon .craters {
  position: absolute;
  animation: moonScroll 5s linear infinite 0.3s;
}
.moon .craters:nth-child(1) {
  width: 40px;
  height: 40px;
  background: #ccd3d9;
  border-radius: 100%;
}
.moon .craters:nth-child(2) {
  width: 10px;
  height: 10px;
  background: #ccd3d9;
  border-radius: 100%;
  left: 40px;
  top: 35px;
}
.moon .craters:nth-child(3) {
  width: 40px;
  height: 40px;
  background: #ccd3d9;
  border-radius: 100%;
  left: 60px;
}
.moon .craters:nth-child(4) {
  width: 20px;
  height: 20px;
  background: #ccd3d9;
  border-radius: 100%;
  top: 45px;
}
.moon .craters:nth-child(5) {
  width: 30px;
  height: 30px;
  background: #ccd3d9;
  border-radius: 100%;
  top: 55px;
  left: 30px;
}
.moon .eyes {
  display: flex;
  justify-content: space-between;
  position: absolute;
  top: 35px;
  transform: translateX(-50);
}
.moon .eyes::before, .moon .eyes::after {
  display: block;
  content: "";
  position: relative;
  width: 20px;
  height: 5px;
  right: 25%;
  border-radius: 200px;
  background: #637684;
  margin: 0 3px;
  animation: blink 3.5s infinite;
}
.moon .eyes::before {
  transform: rotate(30deg);
}
.moon .eyes::after {
  transform: rotate(-30deg);
}

@keyframes moonOrbit {
  20%,
  25% {
    transform: rotate(50deg);
  }
  55%,
  60% {
    transform: rotate(-20deg);
  }
}
@keyframes blink {
  0% {
    top: 0px;
    height: 5px;
  }
  18% {
    top: 0px;
    height: 5px;
  }
  20% {
    top: 3px;
    height: 2px;
  }
  25% {
    top: 0px;
    height: 5px;
  }
  38% {
    top: 0px;
    height: 5px;
  }
  40% {
    top: 3px;
    height: 2px;
  }
  45% {
    top: 0px;
    height: 5px;
  }
  80% {
    top: 0px;
    height: 5px;
  }
  100% {
    top: 0px;
    height: 5px;
  }
}
.earth {
  position: absolute;
  display: block;
  right: 300px;
  top: 100px;
  width: 120px;
  height: 120px;
  background: #6fd4dd;
  border-radius: 100%;
  transform: rotate(-20deg);
  transform-origin: 400px center;
  overflow: hidden;
  animation: earthOrbit 5s infinite;
}
.earth::after {
  content: "";
  width: 120px;
  height: 120px;
  background: transparent;
  border-radius: 100%;
  position: absolute;
  box-shadow: inset 10px 1px 0px #1d747c;
  z-index: 3;
  opacity: 0.2;
}

@keyframes earthOrbit {
  20%,
  25% {
    transform: rotate(50deg);
  }
  55%,
  60% {
    transform: rotate(-20deg);
  }
}
.countries {
  position: absolute;
  z-index: 1;
  animation: scroll 5s linear alternate infinite;
}
.countries:nth-child(1) {
  width: 40px;
  height: 40px;
  background: #62e5aa;
  border-radius: 100%;
  left: 5px;
  top: 20px;
}
.countries:nth-child(2) {
  width: 50px;
  height: 50px;
  background: #62e5aa;
  border-radius: 100%;
  left: 25px;
  top: 45px;
}
.countries:nth-child(3) {
  width: 35px;
  height: 35px;
  background: #62e5aa;
  border-radius: 100%;
  left: 60px;
  top: 20px;
}
.countries:nth-child(4) {
  width: 55px;
  height: 55px;
  background: #62e5aa;
  border-radius: 100%;
  left: 90px;
  top: 50px;
}
.countries:nth-child(5) {
  width: 60px;
  height: 60px;
  background: #62e5aa;
  border-radius: 100%;
  left: 75px;
}
.countries:nth-child(6) {
  width: 50px;
  height: 50px;
  background: #62e5aa;
  border-radius: 100%;
  top: 110px;
  left: 35px;
}
.countries:nth-child(7) {
  width: 30px;
  height: 30px;
  background: #62e5aa;
  border-radius: 100%;
  top: 20px;
  left: -50px;
}

.eyes {
  display: flex;
  justify-content: space-between;
  position: absolute;
  z-index: 3;
  top: 15px;
  left: 25%;
}
.eyes .opened::before,
.eyes .opened::after {
  display: block;
  content: "\2665";
  color: #f55020;
  font-size: 40px;
  margin: 0 8px;
  animation: openBlink 5s linear infinite;
}
.eyes .closed::before,
.eyes .closed::after {
  display: block;
  content: "";
  background: transparent;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  box-shadow: 5px 5px 0 0 #1d747c;
  margin: 8px 8px;
  transform: rotate(45deg);
  opacity: 0;
  animation: closedEyes 5s linear infinite;
}

.tear {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 0 50% 50% 50%;
  background: #54acb7;
  top: 65px;
  z-index: 3;
  left: 35px;
  opacity: 0;
  transform: rotate(60deg);
  animation: crying 5s infinite 3s;
}

@keyframes crying {
  from {
    opacity: 1;
    transform: translateY(0px) rotate(60deg);
  }
  to {
    opacity: 0;
    transform: translateY(50px);
  }
}
@keyframes openBlink {
  0% {
    transform: scaleY(1);
  }
  18% {
    transform: scaleY(1);
  }
  20% {
    transform: scaleY(0);
  }
  25% {
    transform: scaleY(1);
  }
  38% {
    transform: scaleY(1);
  }
  40% {
    transform: scaleY(0);
  }
  45% {
    transform: scaleY(1);
  }
  48% {
    transform: scaleY(0), scaleX(0);
    opacity: 1;
  }
  50% {
    margin-top: 8px;
    opacity: 0;
  }
  72% {
    opacity: 0;
  }
  80% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}
@keyframes closedEyes {
  45% {
    opacity: 0;
    margin-top: 8px;
  }
  49% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    margin-top: 15px;
  }
}
.shadow {
  width: 100px;
  height: 100px;
  background: #21223a;
  border-radius: 100%;
  z-index: 2;
  position: absolute;
  opacity: 0.2;
  right: 270px;
  top: 210px;
  transform-origin: 650px center;
  animation: shadowOrbit 5s infinite 0.3s;
}

@keyframes shadowOrbit {
  20%,
  25% {
    transform: rotate(35deg);
  }
  55%,
  60% {
    transform: rotate(0deg);
  }
}
@keyframes scroll {
  50% {
    transform: translateX(-90px);
  }
}
@keyframes moonScroll {
  50% {
    transform: translateX(-40px);
  }
}
.excited {
  position: absolute;
  font-weight: bold;
  font-family: Arial;
  z-index: -1;
  color: white;
  top: 200px;
  right: 400px;
  font-size: 0px;
  transform: rotate(-30deg);
  animation: excited 5s infinite 4.5s;
}

@keyframes excited {
  0% {
    font-size: 0px;
  }
  2% {
    font-size: 25px;
  }
  10% {
    opacity: 1;
    font-size: 25px;
  }
  20% {
    opacity: 0;
    font-size: 25px;
  }
  100% {
    opacity: 0;
    font-size: 0px;
  }
}
@keyframes star-animation {
  0% {
    transform: rotate(-20deg) translateX(-1000px);
  }
  100% {
    transform: rotate(-20deg) translateX(1000px);
  }
}
.stars1 {
  z-index: -1;
  width: 1px;
  height: 1px;
  border-radius: 50%;
  box-shadow: 143vh 394vh #FFF , 483vh 512vh #FFF , 70vh 346vh #FFF , 10vh 460vh #FFF , 679vh 478vh #FFF , 528vh 184vh #FFF , 432vh 634vh #FFF , 560vh 343vh #FFF , 631vh 260vh #FFF , 797vh 323vh #FFF , 360vh 513vh #FFF , 849vh 690vh #FFF , 655vh 427vh #FFF , 476vh 775vh #FFF , 113vh 737vh #FFF , 792vh 355vh #FFF , 581vh 346vh #FFF , 857vh 648vh #FFF , 412vh 888vh #FFF , 411vh 592vh #FFF , 481vh 778vh #FFF , 18vh 773vh #FFF , 13vh 103vh #FFF , 575vh 632vh #FFF , 429vh 89vh #FFF , 737vh 363vh #FFF , 190vh 65vh #FFF , 497vh 421vh #FFF , 625vh 539vh #FFF , 462vh 115vh #FFF , 126vh 441vh #FFF , 939vh 736vh #FFF , 12vh 127vh #FFF , 969vh 42vh #FFF , 361vh 465vh #FFF , 240vh 660vh #FFF , 263vh 613vh #FFF , 378vh 506vh #FFF , 844vh 813vh #FFF , 602vh 696vh #FFF , 801vh 563vh #FFF , 18vh 721vh #FFF , 18vh 152vh #FFF , 241vh 495vh #FFF , 484vh 777vh #FFF , 801vh 516vh #FFF , 168vh 589vh #FFF , 402vh 792vh #FFF , 440vh 668vh #FFF , 703vh 695vh #FFF , 321vh 565vh #FFF , 840vh 314vh #FFF , 750vh 69vh #FFF , 639vh 858vh #FFF , 692vh 541vh #FFF , 378vh 229vh #FFF , 975vh 213vh #FFF , 976vh 392vh #FFF , 137vh 644vh #FFF , 927vh 758vh #FFF , 138vh 845vh #FFF , 751vh 47vh #FFF , 998vh 483vh #FFF , 311vh 662vh #FFF , 251vh 397vh #FFF , 509vh 22vh #FFF , 202vh 143vh #FFF , 483vh 475vh #FFF , 748vh 861vh #FFF , 149vh 551vh #FFF , 339vh 259vh #FFF , 358vh 401vh #FFF , 394vh 693vh #FFF , 767vh 745vh #FFF , 781vh 135vh #FFF , 904vh 211vh #FFF , 933vh 243vh #FFF , 101vh 382vh #FFF , 532vh 732vh #FFF , 155vh 238vh #FFF , 397vh 690vh #FFF , 795vh 541vh #FFF , 174vh 758vh #FFF , 546vh 58vh #FFF , 214vh 88vh #FFF , 106vh 319vh #FFF , 344vh 624vh #FFF , 418vh 372vh #FFF , 150vh 787vh #FFF , 508vh 721vh #FFF , 694vh 737vh #FFF , 960vh 179vh #FFF , 360vh 678vh #FFF , 968vh 334vh #FFF , 340vh 629vh #FFF , 294vh 222vh #FFF , 49vh 661vh #FFF , 660vh 464vh #FFF , 218vh 848vh #FFF , 101vh 583vh #FFF , 763vh 587vh #FFF , 590vh 451vh #FFF , 228vh 722vh #FFF , 343vh 577vh #FFF , 859vh 158vh #FFF , 901vh 799vh #FFF , 679vh 47vh #FFF , .........完整代码请登录后点击上方下载按钮下载查看