index.css

html,
body {
  height: 100%;
}
canvas {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  border: 0px solid #000;
}

:root {
  font-family: Helvetica, Tahoma, Arial, PingFang SC, Hiragino Sans GB, Heiti SC,
    Microsoft YaHei, WenQuanYi Micro Hei;
}
body {
  padding: 10px;
  color: rgb(18, 170, 61);
  background-color: #efefef;
  max-width: 600px;
  margin: 0 auto;
  -webkit-tap-highlight-color: transparent;
}

* {
  box-sizing: border-box;
}

ul {
  padding: 0;
  margin: 0;
}

li {
  list-style: none;
}
.text {
  -webkit-text-stroke: 1px #444;
  color: transparent;
}
.img {
  width: 95%;
}
.img.a {
  width: 100%;
}
.img.d {
  position: absolute;
  top: 0;
  left: 0;
}
.n {
  display: none;
}
.s {
  display: block;
}
.num {
  color: aquamarine;
  font-weight: bolder;
  position: absolute;
  top: 22.6%;
  right: 42%;
  font-size: 0.75rem;
}
.leaf {
  transform-origin: 65% 50%;
  animation: circle 0.4s infinite linear;
  -webkit-animation: circle 0.4s infinite linear;
}
@keyframes circle {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-webkit-keyframes circle {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.wind {
  animation: blow 1s infinite ease-in-out;
  -webkit-animation: blow 1s infinite ease-in-out;
}
@keyframes blow {
  0% {
    opacity: 0.3;
  }
  100% {
    opacity: 1;
  }
}
@-webkit-keyframes blow {
  0% {
    opacity: 0.3;
  }
  100% {
    opacity: 1;
  }
}
.oper {
  position: absolute;
  bottom: 0;
  right: 0;
}
.oper span {
  display: inline-block;
  width: 40px;
  text-align: center;
  border: 1px solid;
  font-size: 25px;
  line-height: 26px;
  height: 28px;
  background: #fff;
  border-radius: 4px;
  transition: color 0.3s;
}
.oper span:active {
  color: #6ec37a;
}

.container-footer {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + 30px);
  left: 0;
  text-align: center;
  right: 0;
  color: #333;
}

.container-footer .copyright {
  font-weight: lighter;
  font-size: 10px;
}

.container-footer .links a[data-v-240e8e56]:not(:last-child):after {
  position: relative;
  content: "·";
  left: 3px;
  margin-right: 5px;
}

.container-footer .links[data-v-240e8e56] {
  margin-left: 1ex;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.container-footer .links a[data-v-240e8e56] {
  text-decoration: none;
  color: #b78775;
  font-weight: 400;
}

.rl {
  position: fixed;
  bottom: 60px;
  bottom: calc(constant(safe-area-inset-bottom) + 60px);
  bottom: calc(env(safe-area-inset-bottom) + 60px);
  font-size: 14px;
  color: #444;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 20;
}

.guard {
  height: 16em;
  width: 16em;
}

.frame {
  height: 16em;
  width: 16em;
  position: absolute;
  left: 50%;
  top: 0;
  border: 5px solid #f5f5f5;
  border-radius: 50%;
  margin-left: -8em;
  box-shadow: 0 0 4px #b7b7b7;
  z-index: 10;
}

.cir1,
.cir2,
.cir3 {
  position: absolute;
  border: 1px solid #fff;
  border-radius: 50%;
  z-index: 12;
}

.cir1 {
  height: 12em;
  width: 12em;
  left: 50%;
  top: 2em;
  margin-left: -6em;
}

.cir2 {
  height: 8em;
  width: 8em;
  left: 50%;
  top: 4em;
  margin-left: -4em;
}

.cir3 {
  height: 3em;
  width: 3em;
  left: 50%;
  top: 6.5em;
  background: #fff;
  margin-left: -1.5em;
  box-shadow: 0 0 1px #b7b7b7;
}

.blades {
  height: 12em;
  width: 12em;
  position: absolute;
  top: 2em;
  left: 50%;
  z-index: 9;
  animation: blades 1.5s infinite linear;
  margin-left: -6em;
}

.blades li {
  height: 6.5em;
  width: 6.5em;
  position: absolute;
  border-radius: 0 50% 100%;
  box-shadow: 0 0 10px rgb(216 216 216 / 80%);
}

.b1 {
  top: 7em;
  left: 2.75em;
  transform: rotate(45deg);
  background-color: #fff7f7;
}

.b2 {
  top: 0.5em;
  left: -1em;
  transform: rotate(165deg);
  background-color: #ecffec;
}

.b3 {
  top: 0.5em;
  left: 6.5em;
  transform: rotate(285deg);
  background-color: #f4fffd;
}

.base {
  height: 1em;
  width: 12em;
  position: absolute;
  top: 19em;
  left: 50%;
  z-index: 5;
  border-radius: 10px 10px 0 0;
  background: #f5f5f5;
  box-shadow: 0px 1px 3px #b7b7b7;
  margin-left: -6em;
}

.base:after {
  height: 10em;
  width: 0.5em;
  position: absolute;
  top: -10em;
  left: 5.75em;
  z-index: 6;
  content: "";
  display: block;
  background: #f5f5f5;
  box-shadow: 1px -1.5px 4px #b7b7b7;
}

@keyframes blades {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(1080deg);
  }
}

.cow-container {
  min-height: 300px;
  padding: 70px 0;
  z-index: 1;
  transform: scale(0.75);
}

.cow-body {
  margin: auto;
  background: #f8f8ff;
  border: 6px solid #222222;
  width: 290px;
  height: 202px;
  display: inline-block;
  position: relative;
  border-radius: 200px 100px 200px 200px;
  /* -webkit-animation: floating-cow 5s linear infinite alternate;
  animation: floating-cow 5s linear infinite alternate; */
}
.cow-body .head {
  position: absolute;
  right: -60px;
  top: -27px;
  -webkit-animation: head-bob 2s linear infinite alternate;
  animation: head-bob 2s linear infinite alternate;
}
.cow-body .body-spot {
  position: absolute;
  left: -1px;
  top: -1px;
  background: #444852;
  width: 160px;
  height: 130px;
  border-radius: 117px 0 96px 28px;
  z-index: 2;
}
.cow-body .leg {
  border: 6px solid #222222;
  border-top: 0;
  height: 94px;
  width: 16px;
  background: #f8f8ff;
  display: inline-block;
  position: absolute;
  bottom: -55px;
  border-radius: 0 0 10px 10px;
}
.cow-body .leg.left {
  left: 45px;
}
.cow-body .leg.right {
  right: 55px;
}
.cow-body .leg .hoof {
  background: #b8a381;
  height: 20px;
  width: 16px;
  position: absolute;
  bottom: 0;
  border-radius: 0 0 1px 1px;
}
.cow-body .tail {
  margin-top: 60px;
  border: 6px solid #222222;
  border-top: 0;
  height: 60px;
  width: 8px;
  background: #f8f8ff;
  display: inline-block;
  transform: rotate(60deg);
  transform-origin: top;
  border-radius: 20px 0 100px 20px;
  -webkit-animation: tail-wagging 0.2s linear infinite alternate;
  animation: tail-wagging 0.2s linear infinite alternate;
}

.cow-head {
  background: #f8f8ff;
  border: 6px solid #222222;
  height: 143px;
  width: 105px;
  border-radius: 27px 27px 60px 60px;
  position: absolute;
  right: 0;
}
.cow-head .spot {
  background: #444852;
  width: 50px;
  height: 70px;
  border-radius: 16px 0 35px 0;
}
.cow-head .eyes {
  position: absolute;
  width: 100%;
  top: 40px;
}
.cow-head .eyes .eye {
  background: #222222;
  width: 10px;
  height: 15px;
  border-radius: 50%;
  display: inline-block;
  position: absolute;
}
.cow-head .eyes .eye.left {
  left: 25px;
}
.cow-head .eyes .eye.right {
  right: 25px;
}
.cow-head .nose {
  background: #fdcad5;
  height: 50px;
  width: 105px;
  position: absolute;
  bottom: 0;
  border-radius: 0 0 50px 50px;
}
.cow-head .nose .nostrils {
  position: absolute;
  width: 100%;
  bottom: 30px;
}
.cow-head .nose .nostrils .nostril {
  background: #222222;
  width: 4px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  position: absolute;
}
.cow-head .nose .nostrils .nostril.left {
  left: 40px;
  transform: rotate(-30deg);
}
.cow-head .nose .nostrils .nostril.right {
  right: 40px;
  transform: rotate(30deg);
}
.cow-head .horns {
  position: absolute;
  top: -25px;
  width: 100%;
}
.cow-head .horns .horn {
  position: absolute;
  background: #b8a381;
  border: 6px solid #222222;
  width: 8px;
  height: 13px;
  display: inline-block;
  border-radius: 16px;
}
.cow-head .horns .horn.left {
  left: 15px;
}
.cow-head .horns .horn.right {
  right: 15px;
}
.cow-head .ears {
  position: absolute;
  top: -10px;
  width: 100%;
}
.cow-head .ears .ear {
  position: absolute;
  background: #f8f8ff;
  border: 6px solid #222222;
  width: 14px;
  height: 18px;
  display: inline-block;
  border-radius: 15px 15px 20px 20px;
}
.cow-head .ears .ear.left {
  left: -15px;
}
.cow-head .ears .ear.right {
  right: -15px;
}

.astronaut-helmet {
  border: 6px solid #222222;
  background: none;
  position: absolute;
  top: -50px;
  right: -49px;
  height: 218px;
  width: 200px;
  border-radius: 50%;
  background: rgba(220, 220, 220, 0.8);
}
.astronaut-helmet .glare {
  background: #ffffff;
  height: 76px;
  width: 17px;
  border-radius: 100%;
  position: absolute;
  right: 27px;
  top: 17px;
  transform: rotate(-36deg);
  z-index: 1;
}

@keyframes floating-cow {
  0% {
    left: 0;
    top: 20px;
  }
  25% {
    left: 30px;
    top: 20px;
  }
  50% {
    left: 50px;
    top: 60px;
  }
  75% {
    left: 10px;
    top: 30px;
  }
  100% {
    left: 5px;
    top: 50px;
  }
}
@-webkit-keyframes floating-cow {
  0% {
    left: 0;
    top: 20px;
  }
  25% {
    left: 30px;
    top: 20px;
  }
  50% {
    left: 50px;
    top: 60px;
  }
  75% {
    left: 10px;
    top: 30px;
  }
  100% {
    left: 5px;
    top: 50px;
  }
}
@keyframes tail-wagging {
  from {
    transform: rotate(60deg);
  }
  to {
    transform: rotate(70deg);
  }
}
@-webkit-keyframes tail-wagging {
  from {
    transform: rotate(60deg);
  }
  to {
    transform: rotate(70deg);
  }
}
@keyframes head-bob {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(-10deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
@-webkit-keyframes head-bob {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(-10deg);
  }
  100% {
    transform: rotate(0deg);
  }
}