css骑自行车动画

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html

css

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

/* Generic */
body {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  background-color: #EFE1DB;
}

.main {
  position: relative;
  width: 60vw;
  height: 45vw;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  overflow: hidden;
}

/* Component */
.lines {
  width: 100%;
  height: 100%;
  transform: rotateZ(10deg);
}

.line-a,
.line-b,
.line-c,
.line-d {
  position: absolute;
  height: .175vw;
  border-radius: 50%;
  background-color: #FFF6EF;
}

.line-a {
  width: 12vw;
  bottom: 20vw;
  left: 7vw;
  animation: line-a .15s infinite linear;
}

.line-b {
  width: 10vw;
  bottom: 18vw;
  left: 6vw;
  animation: line-b .2s infinite linear;
}

.line-c {
  width: 6vw;
  bottom: 12vw;
  left: 12vw;
  animation: line-c .1s infinite linear;
}

.line-d {
  width: 6vw;
  bottom: 26vw;
  left: 15vw;
  animation: line-d .135s infinite linear;
}

/**/
.shadows {
  position: absolute;
  top: 13.5vw;
  left: 20.3vw;
  width: 27vw;
  height: 19vw;
  transform-origin: top left;
  transform: rotateZ(10deg);
  z-index: -5;
}

.shadow-a,
.shadow-b,
.shadow-c,
.shadow-d {
  position: absolute;
  border-radius: 50%;
}

.shadow-a {
  bottom: -.5vw;
  width: 150%;
  left: -25%;
  height: 1vw;
  background-color: rgba(109, 84, 80, 0.5);
  animation: shadow-a .15s infinite linear;
}

.shadow-b {
  bottom: -1.5vw;
  width: 100%;
  right: -25%;
  height: .45vw;
  background-color: rgba(109, 84, 80, 0.5);
  animation: shadow-b .175s infinite linear;
}

.shadow-c {
  bottom: -4vw;
  left: 100%;
  border-top: 2vw solid rgba(109, 84, 80, 0.5);
  border-right: 2vw solid rgba(109, 84, 80, 0.5);
  border-bottom: 2vw solid transparent;
  border-left: 2vw solid transparent;
  transform-origin: bottom left;
  transform: rotateZ(-45deg);
  opacity: 0;
  animation: shadow-c .45s infinite linear;
}
.shadow-c::before {
  content: '';
  position: absolute;
  left: 2vw;
  top: 2vw;
  border-top: 1vw solid rgba(109, 84, 80, 0.75);
  border-right: 1vw solid rgba(109, 84, 80, 0.75);
  border-bottom: 1vw solid transparent;
  border-left: 1vw solid transparent;
  border-radius: 50%;
}

.shadow-d {
  bottom: -2vw;
  left: 100%;
  border-top: 1.5vw solid rgba(109, 84, 80, 0.75);
  border-right: 1.5vw solid rgba(109, 84, 80, 0.75);
  border-bottom: 1.5vw solid transparent;
  border-left: 1.5vw solid transparent;
  transform-origin: bottom left;
  transform: rotateZ(-45deg);
  animation: shadow-c 1s infinite linear;
}

/**/
.bicy {
  position: absolute;
  top: 13.5vw;
  left: 17.3vw;
  width: 27vw;
  height: 19vw;
  transform-origin: bottom left;
  transform: rotateZ(10deg);
  animation: bicy .15s infinite linear;
  /**/
  /**/
  /**/
}
.bicy__wheel-l, .bicy__wheel-r {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  bottom: 0;
  width: 10.8vw;
  height: 10.8vw;
  border: 0.4vw solid #432316;
  border-radius: 50%;
  box-shadow: inset 0.3vw 0.3vw 0 #E9A589, inset -0.3vw -0.3vw 0 #FFF6EF, inset -0.3vw 0.3vw 0 #E9A589, inset 0.3vw -0.3vw 0 #FFF6EF;
}
.bicy__wheel-l::before, .bicy__wheel-l::after, .bicy__wheel-r::before, .bicy__wheel-r::after {
  content: '';
  position: absolute;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  border-top: 0.115vw solid #FFF6EF;
  border-bottom: 0.115vw solid #FFF6EF;
  border-left: .115vw solid transparent;
  border-right: .115vw solid transparent;
  animation: wheel .25s infinite linear;
}
.bicy__wheel-l::after, .bicy__wheel-r::after {
  width: 50%;
  height: 50%;
  border-top: .115vw solid transparent;
  animation: wheel .25s infinite linear;
}
.bicy__wheel-l {
  left: 0;
  z-index: -1;
}
.bicy__wheel-r {
  right: 0;
}
.bicy__fender {
  position: absolute;
  width: 115%;
  height: 125%;
  border-radius: 50%;
  border-top: 0.5vw solid #00665A;
}
.bicy__ac {
  position: absolute;
  width: 10.7vw;
  height: 3vw;
  bottom: 4vw;
  left: 4vw;
}
.bicy__ac::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 99%;
  height: 1.5vw;
  border: 0.3vw solid #3F3E3E;
  border-top: .3vw solid transparent;
  border-bottom-left-radius: 4vw;
  border-bottom-right-radius: 4vw;
}
.bicy__ac::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 3vw;
  height: 3vw;
  border-radius: 50%;
  border-left: 0.4vw solid #3F3E3E;
  border-bottom: 0.4vw solid #3F3E3E;
  z-index: -1;
}
.bicy__ac-top {
  position: absolute;
  width: 100%;
  height: 2vw;
  border-top-left-radius: 2vw;
  border-top-right-radius: 2vw;
  background-image: linear-gradient(-65deg, #009281 0, #009281 6vw, #FFF6EF 6vw, #FFF6EF 6.3vw, #009281 6.3vw, #009281 6.5vw, #FFF6EF 6.5vw, #FFF6EF 7.5vw, #009281 7.5vw, #009281 8vw, #FFF6EF 8vw);
}
.bicy__ac-top::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 2vw;
  border-top-left-radius: 2vw;
  border-top-right-radius: 1vw;
  background-image: linear-gradient(to top, rgba(0, 0, 0, 0.1) 50%, transparent 50%);
}
.bicy__part-a, .bicy__part-b, .bicy__part-c {
  position: absolute;
  bottom: 5.8vw;
  left: 4.25vw;
  width: .7vw;
  height: 7.8vw;
  transform-origin: bottom left;
  transform: rotateZ(37deg);
  background-image: linear-gradient(to right, #FFF6EF 0.25vw, #FEDBC5 0.25vw);
}
.bicy__part-a {
  z-index: -1;
}
.bicy__part-b {
  left: 13vw;
  height: 8.2vw;
  background-image: linear-gradient(to right, #7ADACC 0.25vw, #009281 0.25vw);
  z-index: -1;
}
.bicy__part-c {
  left: 13.2vw;
  bottom: 9vw;
  height: 6.4vw;
}
.bicy__part-c::before {
  content: '';
  position: absolute;
  width: 3vw;
  height: .7vw;
  bottom: 0;
  right: .1vw;
  transform-origin: bottom right;
  transform: rotateZ(-37deg);
  background-image: linear-gradient(to bottom, #FFF6EF 0.25vw, #FEDBC5 0.25vw);
}
.bicy__part-d {
  display: flex;
  justify-content: center;
  position: absolute;
  bottom: 5.8vw;
  left: 12vw;
  width: .9vw;
  height: 9.5vw;
  transform-origin: bottom left;
  transform: rotateZ(-30deg);
  background-image: linear-gradient(to left, #FFF6EF 0.4vw, #FEDBC5 0.4vw);
  z-index: -1;
}
.bicy__part-d::before {
  content: '';
  position: absolute;
  top: -3.5vw;
  width: .5vw;
  height: 3.5vw;
  background-image: linear-gradient(to right, #A2A1A0 0.3vw, #d5d5d5 0.3vw);
}
.bicy__part-d::after {
  content: '';
  position: absolute;
  width: 3vw;
  height: .9vw;
  top: -4.7vw;
  border-radius: 1vw;
  transform-origin: bottom left;
  transform: rotateZ(30deg) skewX(-20deg);
  background-image: linear-gradient(to bottom, #009281, #00665A);
}
.bicy__part-e {
  position: absolute;
  width: .5vw;
  height: 7.2vw;
  right: 5.2vw;
  bottom: 5vw;
  transform-origin: bottom right;
  transform: rotateZ(8deg);
  background-image: linear-gradient(to right, #009281 0.25vw, #7ADACC 0.25vw);
}
.bicy__part-f {
  display: flex;
  justify-content: center;
  position: absolute;
  width: .5vw;
  height: 9.2vw;
  right: 5.2vw;
  bottom: 5vw;
  transform-origin: bottom right;
  transform: rotateZ(-25deg);
  background-image: linear-gradient(to right, #009281 0.25vw, #7ADACC 0.25vw);
}
.bicy__part-f::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 1.5vw;
  top: -1.5vw;
  background-image: linear-gradient(to left, #FFF6EF 0.25vw, #FEDBC5 0.25vw);
}
.bicy__part-f::after {
  content: '';
  position: absolute;
  width: 80%;
  height: 1.9vw;
  top: -3.4vw;
  background-image: linear-gradient(to left, #d5d5d5 0.25vw, #A2A1A0 0.25vw);
}
.bicy__part-g {
  position: absolute;
  right: 10vw;
  bottom: 16.3vw;
  width: 1.75vw;
  height: 1.75vw;
  transform: rotateZ(25deg) skewY(10deg);
  border-top: 0.2vw solid #d5d5d5;
  border-right: 0.2vw solid #d5d5d5;
  box-shadow: inset -0.1vw 0.1vw 0 #A2A1A0;
}
.bicy__part-g::before {
  content: '';
  position: absolute;
  width: 2.5vw;
  height: .5vw;
  transform: rotateZ(-60deg) skewY(0deg) translateY(-1vw) translateX(-1vw);
  border-radius: 1.5vw;
  background-image: linear-gradient(to bottom, #009281, #00665A);
}
.bicy__basket {
  position: absolute;
  bottom: 12vw;
  right: 4vw;
  width: 3vw;
  height: 3.5vw;
  background-color: #B96C5C;
  border-top: 0.25vw solid #EBB6A1;
  box-shadow: inset 0 0.25vw 0 #883E30;
}
.bicy__basket-a {
  position: absolute;
  width: 125%;
  bottom: 0;
  border-bottom: 0.25vw solid #883E30;
  z-index: 5;
}
.bicy__basket-a::before {
  content: '';
  position: absolute;
  width: 2vw;
  height: 3vw;
  left: -.5vw;
  top: -2.8vw;
  background-image: linear-gradient(70deg, #883E30 1.35vw, transparent 1.35vw);
}
.bicy__basket-a::after {
  content: '';
  position: absolute;
  width: 2vw;
  height: 2.8vw;
  right: .15vw;
  top: -2.75vw;
  background-image: linear-gradient(-70deg, #EBB6A1 1.35vw, transparent 1.35vw);
}
.bicy__basket::before {
  content: '';
  position: absolute;
  top: -.25vw;
  left: -1.75vw;
  width: 1.75vw;
  height: 3.5vw;
  border-top: 0.25vw solid #EBB6A1;
  background-image: linear-gradient(70deg, transparent 1vw, #883E30 1vw);
}
.bicy__basket::after {
  content: '';
  position: absolute;
  top: -.25vw;
  right: -1.75vw;
  width: 1.75vw;
  height: 3.5vw;
  border-top: 0.25vw solid #EBB6A1;
  box-shadow: inset 0 0.25vw 0 #883E30;
  background-image: linear-gradient(-70deg, transparent 1vw, #EBB6A1 1vw);
}

.human {
  position: absolute;
  top: 6.5vw;
  left: 25vw;
  width: 13.5vw;
  height: 24.5vw;
  transform-origin: top left;
  animation: human .15s infinite linear;
}
.human__c {
  animation: human-c .15s infinite alternate;
}
.human__head {
  position: absolute;
  right: -2vw;
  top: 2.2vw;
  width: 3.75vw;
  height: 4.5vw;
  transform: rotateZ(10deg);
  animation: human-head 6s infinite;
}
.human__neck {
  position: absolute;
  bottom: 0;
  width: 1.3vw;
  height: 1.9vw;
  background-image: linear-gradient(-10deg, transparent 0.2vw, #B35644 0.2vw, #B35644 0.3vw, #FFAC90 0.6vw);
}
.human__face-a {
  position: absolute;
  bottom: .1vw;
  right: .5vw;
  width: 2.3vw;
  height: 2vw;
  transform: rotateZ(5deg);
  border-bottom-right-radius: .5vw;
  background-image: linear-gradient(to top, #B35644, #B35644 0.1vw, #FFAC90 0.4vw);
}
.human__face-b {
  position: absolute;
  top: .6vw;
  right: .7vw;
  width: 2.4vw;
  height: 2.2vw;
  transform: rotateZ(-20deg);
  overflow: hidden;
  background-color: #FFAC90;
}
.human__face-b::before {
  content: '';
  position: absolute;
  bottom: 20%;
  right: 40%;
  width: 3.2vw;
  height: 3.2vw;
  border-radius: 50%;
  background-image: linear-gradient(to bottom, #D45029, #8C1D0B);
  border-bottom: 0.25vw solid #8C1D0B;
}
.human__nose {
  position: absolute;
  right: .25vw;
  bottom: 35%;
  width: .9vw;
  height: .9vw;
  transform: rotateZ(-40deg);
  background-color: #FFAC90;
  border-bottom: 0.1vw solid #B35644;
  z-index: -1;
}
.human__hair {
  position: absolute;
  left: .35vw;
  top: .4vw;
  width: 3.2vw;
  height: 1.1vw;
  transform: rotateZ(-25deg);
  overflow: hidden;
  animation: human-hair .1s infinite linear alternate;
}
.human__hair::before {
  content: '';
  position: absolute;
  bottom: 0;
  width: 3.2vw;
  height: 3.2vw;
  border-radius: 50%;
  background-image: linear-gradient(to bottom, #D45029 60%, #8C1D0B);
  border-bottom: 0.25vw solid #8C1D0B;
}
.human__ear {
  position: absolute;
  top: 1.8vw;
  left: 1.2vw;
  width: .8vw;
  height: 1vw;
  border-radius: 50%;
  transform: rotateZ(-15deg);
  background-color: #FFAC90;
}
.human__cheek {
  position: absolute;
  top: 2.3vw;
  left: 2.2vw;
  width: .8vw;
  height: .6vw;
  border-radius: 50%;
  transform: rotateZ(-15deg);
  background-color: rgba(212, 80, 41, 0.35);
  filter: blur(2px);
}
.human__mouth {
  position: absolute;
  right: .4vw;
  bottom: 20%;
  width: .8vw;
  height: .5vw;
  transform: rotateZ(5deg);
  overflow: hidden;
}
.human__mouth::before {
  content: '';
  position: absolute;
  bottom: 0;
  width: 2.5vw;
  height: 1vw;
  border-radius: 50%;
  border-bottom: 0.2vw solid #EFE1DB;
}
.human__eye {
  position: absolute;
  top: 1.9vw;
  right: .65vw;
  width: .55vw;
  height: .15vw;
  background-color: #101010;
  border-radius: 50%;
  transform: rotateZ(-35deg);
  animation: human-eye 6s infinite;
}
.human__eye::before {
  content: '';
  position: absolute;
  width: 130%;
  height: .19vw;
  right: -.31vw;
  top: -.4vw;
  background-color: #101010;
  transform: skewX(-30deg);
}
.human__backpack {
  position: absolute;
  top: 5.2vw;
  left: 2.5vw;
  width: 6.5vw;
  height: 1.35vw;
  transform-origin: top left;
  transform: rotateZ(-20deg);
  border-top-right-radius: 3vw;
  border-bottom-left-radius: .5vw;
  border-bottom-right-radius: .5vw;
  background-image: linear-gradient(to bottom, #883E30, #3d1c15);
}
.human__backpack::before {
  content: '';
  position: absolute;
  top: -.5vw;
  width: 2.5vw;
  height: .5vw;
  border-top-right-radius: 2vw;
  border-top-left-radius: .5vw;
  background-image: linear-gradient(to right, #622d23 30%, #009281 30%, #009281 40%, #883E30 40%, #883E30 50%, #009281 50%);
}
.human__backpack::after {
  content: '';
  position: absolute;
  top: 30%;
  width: 93%;
  height: .2vw;
  background-color: #B96C5C;
}
.human__chest {
  position: absolute;
  top: 7.2vw;
  left: 1vw;
  width: 10vw;
  height: 3.2vw;
  transform-origin: top left;
  transform: rotateZ(-20deg);
  border-top-right-radius: 2vw;
  border-bottom-right-radius: 1vw;
  background-image: linear-gradient(to bottom, #FFF6EF 2vw, #FEDBC5);
}
.human__chest::before {
  content: '';
  position: absolute;
  top: -.4vw;
  right: -2vw;
  width: 4vw;
  height: 3vw;
  transform-origin: top left;
  transform: rotateZ(30deg);
  background-image: linear-gradient(-35deg, transparent 1vw, #FEDBC5 1vw, #FFF6EF 2vw);
}
.human__chest::after {
  content: '';
  position: absolute;
  top: -.5vw;
  right: -.5vw;
  width: 7vw;
  height: 3.5vw;
  border-top-left-radius: 1vw;
  border-top-right-radius: 5vw;
  border-bottom-left-radius: 4vw;
  border-bottom-right-radius: 3vw;
  border: 0.4vw solid #622d23;
}
.human__arm-l {
  position: absolute;
  top: 5.45vw;
  left: 5.5vw;
  width: 5.5vw;
  height: 2vw;
  border-radius: 2vw;
  transform: rotateZ(-25deg);
  background-image: linear-gradient(to bottom, #FFAC90 80%, #B35644 90%);
}
.human__arm-l::before {
  content: '';
  position: absolute;
  right: 0;
  width: 55%;
  height: 100%;
  border-top-right-radius: 2vw;
  border-bottom-right-radius: 2vw;
  background-image: linear-gradient(to bottom, #FFF6EF 70%, #FEDBC5 90%);
  border-left: 0.25vw solid #B35644;
}
.human__arm-l-a {
  position: absolute;
  bottom: -3.5vw;
  left: -.02vw;
  width: 1.5vw;
  height: 4.5vw;
  transform-origin: top left;
  transform: rotateZ(-25deg);
  background-image: linear-gradient(100deg, #FFAC90 1.55vw, transparent 1.55vw);
}
.human__arm-l-a::before {
  content: '';
  position: absolute;
  bottom: -1.75vw;
  left: -.125vw;
  width: 1vw;
  height: 2vw;
  border-top-left-radius: 1.5vw;
  border-top-right-radius: 1.5vw;
  border-bottom-left-radius: 2vw;
  border-bottom-right-radius: 4vw;
  background-color: #FFAC90;
}
.human__arm-r {
  position: absolute;
  top: 5.45vw;
  left: 6vw;
  width: 5.5vw;
  height: 2vw;
  border-radius: 2vw;
  transform: rotateZ(-25deg);
  background-image: linear-gradient(to bottom, #FFAC90 80%, #B35644 90%);
  z-index: -5;
}
.human__arm-r::before {
  content: '';
  position: absolute;
  right: 0;
  width: 55%;
  height: 100%;
  border-top-right-radius: 2vw;
  border-bottom-right-radius: 2vw;
  background-color: #FFF6EF;
  border-left: 0.25vw solid #B35644;
}
.human__arm-r-a {
  position: absolute;
  bottom: -3.5vw;
  left: -.02vw;
  width: 1.5vw;
  height: 4.5vw;
  transform-origin: top left;
  transform: rotateZ(-25deg);
  background-image: linear-gradient(100deg, #B35644 1.55vw, transparent 1.55vw);
}
.human__arm-r-a::before {
  content: '';
  position: absolute;
  bottom: -1.75vw;
  left: -.125vw;
  width: 1vw;
  height: 2vw;
  border-top-left-radius: 1.5vw;
  border-top-right-radius: 1.5vw;
  border-bottom-left-radius: 2vw;
  border-bottom-right-radius: 4vw;
  background-color: #B35644;
}
.human__leg-l {
  position: absolute;
  top: 8vw;
  width: 2.5vw;
  height: 10vw;
  transform-origin: top left;
  transform: rotateZ(-35deg);
  border-top-left-radius: 1vw;
  border-top-right-radius: 1vw;
  background-image: linear-gradient(-82deg, transparent 0.775vw, #3F3E3E 0.775vw, #3F3E3E 1.75vw, #101010 1.75vw);
  animation: human-legg .15s infinite alternate;
}
.human__leg-l-a {
  position: absolute;
  bottom: -5.25vw;
  right: .5vw;
  height: 6.5vw;
  width: 2.5vw;
  transform-origin: top left;
  transform: rotateZ(30deg);
  border-top-left-radius: 2vw;
  background-image: linear-gradient(82deg, transparent 1.1vw, #101010 1.1vw, #101010 2.3vw, #3F3E3E 2.3vw);
}
.human__leg-l-a::before {
  content: '';
  position: absolute;
  bottom: -1.25vw;
  right: .1vw;
  width: .75vw;
  height: 1.25vw;
  background-image: linear-gradient(to bottom, #B35644 0.25vw, #FFAC90 0.25vw);
}
.human__leg-l-a::after {
  content: '';
  position: absolute;
  bottom: -3.5vw;
  left: 1.2vw;
  width: 4vw;
  height: 1.5vw;
  border-left: 4vw solid #101010;
  border-top: 1vw solid transparent;
  border-bottom: 1vw solid transparent;
  border-right: 1vw solid transparent;
  border-radius: 1vw;
  transform: rotateZ(20deg);
}
.human__leg-l-b {
  position: absolute;
  bottom: -8.75vw;
  right: 3.9vw;
  height: .5vw;
  width: 2.5vw;
  transform: rotateZ(35deg);
  background-image: linear-gradient(to bottom, #009281, #00665A);
}
.human__leg-r {
  position: absolute;
  top: 9vw;
  left: .5vw;
  width: 2.5vw;
  height: 10vw;
  transform-origin: top left;
  transform: rotateZ(-70deg);
  border-top-left-radius: 1vw;
  border-top-right-radius: 1vw;
  background-image: linear-gradient(-82deg, transparent 0.775vw, #101010 0.775vw);
  z-index: -5;
}
.human__leg-r-a {
  position: absolute;
  bottom: -4vw;
  right: .5vw;
  height: 6.5vw;
  width: 2.5vw;
  transform-origin: top left;
  transform: rotateZ(95deg) translateY(-2.2vw);
  border-top-left-radius: 2vw;
  background-image: linear-gradient(82deg, transparent 1.1vw, #101010 1.1vw);
}
.human__leg-r-a::before {
  content: '';
  position: absolute;
  bottom: -1.25vw;
  right: .1vw;
  width: .75vw;
  height: 1.25vw;
  background-image: linear-gradient(to bottom, #8e4436 0.25vw, #B35644 0.25vw);
}
.human__leg-r-a::after {
  content: '';
  position: absolute;
  bottom: -3.5vw;
  left: 1.2vw;
  width: 4vw;
  height: 1.5vw;
  border-left: 4vw solid #101010;
  border-top: 1vw solid transparent;
  border-bottom: 1vw solid transparent;
  border-right: 1vw solid transparent;
  border-radius: 1vw;
  transform: rotateZ(20deg);
}

.dog {
  position: absolute;
  bottom: 14.75vw;
  right: 3vw;
  width: 5.2vw;
  height: 4.5vw;
  animation: dog .075s infinite linear alternate;
}
.dog__head {
  position: absolute;
  left: 2vw;
  top: .675vw;
  width: 2vw;
  height: 2.25vw;
  border-radius: 1.5vw;
  background-color: #FFF6EF;
}
.dog__head::after {
  content: '';
  position: absolute;
  top: .5vw;
  right: .4vw;
  width: .6vw;
  height: .125vw;
  border-radius: 50%;
  background-color: #101010;
  transform: rotateZ(-30deg);
}
.dog__body {
  position: absolute;
  bottom: 0;
  left: 1.75vw;
  width: 2.5vw;
  height: 3vw;
  transition: bottom left;
  transform: rotateZ(15deg);
  background-image: linear-gradient(70deg, #FFF6EF 2.5vw, transparent 2.5vw);
  overflow: hidden;
}
.dog__body::before {
  content: '';
  position: absolute;
  right: 60%;
  bottom: 0;
  width: 2vw;
  height: 2vw;
  border-radius: 50%;
  background-image: linear-gradient(to right, #D45029, #8C1D0B);
}
.dog__mouth-a {
  position: absolute;
  top: 1vw;
  right: 0;
  width: 2vw;
  height: 1vw;
  transform: rotateZ(-15deg);
  border-bottom-right-radius: 1vw;
  background-color: #FFF6EF;
  z-index: -1;
}
.dog__mouth-a::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: .4vw;
  height: .3vw;
  border-radius: 1vw;
  background-color: #101010;
}
.dog__mouth-b {
  position: absolute;
  top: 2.5vw;
  right: .2vw;
  width: 1.5vw;
  height: .5vw;
  transform: rotateZ(-15deg);
  border-bottom-right-radius: 1vw;
  background-color: #FFF6EF;
}
.dog__ear {
  position: absolute;
  top: 1.35vw;
  width: 2.25vw;
  height: 1.45vw;
  transform: rotateZ(-15deg);
  border-top-left-radius: .25vw;
  border-bottom-left-radius: .75vw;
  background-image: linear-gradient(-10deg, transparent 0.25vw, #FFF6EF 0.25vw);
  overflow: hidden;
  animation: dog-ear .075s infinite linear alternate;
}
.dog__ear::before {
  content: '';
  position: absolute;
  bottom: 60%;
  width: 1.5vw;
  height: 1.5vw;
  border-radius: 50%;
  background-image: linear-gradient(to bottom, #D45029, #8C1D0B);
}
.dog__ear::after {
  content: '';
  position: absolute;
  bottom: 80%;
  right: 0;
  width: 1vw;
  height: 1vw;
  border-radius: 50%;
  background-image: linear-gradient(to bottom, #D45029, #8C1D0B);
}
.dog__tongue {
  position: absolute;
  top: 2vw;
  right: 1vw;
  width: .5vw;
  height: 1.25vw;
  background-image: linear-gradient(to top, #D45029, #8C1D0B);
  transform: rotateZ(25deg);
  border-top-left-radius: 2vw;
  border-top-right-radius: 3vw;
  border-bottom-left-radius: 1.5vw;
  border-bottom-right-radius: 3vw;
  animation: dog-tongue .075s infinite linear alternate;
}

.heart {
  position: absolute;
  width: 1vw;
  height: 1vw;
  right: 7vw;
  background-color: #d02323;
  transform: rotateZ(-50deg);
  animation: heart 6s infinite linear,heart-opacity 6s infinite linear;
}
.heart::before, .heart::after {
  content: '';
  position: absolute;
  width: 1vw;
  height: 1vw;
  border-radius: 50%;
  background-color: #d02323;
}
.heart::before {
  bottom: 50%;
}
.heart::after {
  left: 50%;
}

/***********/
/***********/
@keyframes bicy {
  0%, 100% {
    top: 13.5vw;
    transform: rotateZ(10deg) scaleY(1);
  }
  20% {
    top: 13.65vw;
    transform: rotateZ(10deg) scaleY(0.998);
  }
  40% {
    top: 13.55vw;
    transform: rotateZ(10deg) scaleY(0.9975);
  }
  60% {
    top: 13.5vw;
    transform: rotateZ(10deg) scaleY(0.998);
  }
  80% {
    top: 13.6vw;
    transform: rotateZ(10deg scaleY(1));
  }
}
@keyframes human {
  0%, 100% {
    top: 6.5vw;
    left: 25vw;
  }
  20% {
    top: 6.6vw;
    left: 25vw;
  }
  40% {
    top: 6.55vw;
    left: 25vw;
  }
  60% {
    top: 6.45vw;
    left: 25vw;
  }
  80% {
    top: 6.6vw;
    left: 25vw;
  }
}
@keyframes human-head {
  0%, 70%, 100% {
    transform-origin: bottom left;
    transform: rotateZ(0);
  }
  80%, 95% {
    transform-origin: bottom left;
    transform: rotateZ(10deg);
  }
}
@keyframes human-eye {
  0%, 65%, 100% {
    height: .15vw;
    top: 1.9vw;
    transform: rotateZ(-35deg);
  }
  75%, 95% {
    height: .2vw;
    top: 2vw;
    transform: rotateZ(-20deg);
  }
}
@keyframes heart {
  0%, 75% {
    transform: translateY(0) rotateZ(-50deg) scaleZ(0);
  }
  85%, 95% {
    transform: translateY(-2.5vw) rotateZ(-50deg) scaleZ(1);
  }
  100% {
    transform: translateY(-6vw) rotateZ(-50deg) scaleZ(0);
  }
}
@keyframes heart-opacity {
  0%, 75% {
    opacity: 0;
  }
  85%, 90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes human-hair {
  to {
    transform: rotateZ(-35deg);
  }
}
@keyframes human-c {
  to {
    transform-origin: bottom left;
    transform: rotateZ(-0.75deg);
  }
}
@keyframes human-leg {
  to {
    transform: translateY(-0.1vw) rotateZ(-35deg);
  }
}
@keyframes wheel {
  to {
    transform: rotateZ(1turn);
  }
}
@keyframes line-a {
  to {
    width: 10.8vw;
    bottom: 19.85vw;
    left: 0vw;
  }
}
@keyframes line-b {
  to {
    width: 6.9vw;
    bottom: 17.9vw;
    left: 1vw;
  }
}
@keyframes line-c {
  to {
    width: 3.9vw;
    bottom: 12vw;
    left: 0vw;
  }
}
@keyframes line-d {
  to {
    width: 3vw;
    bottom: 25.95vw;
    left: 1vw;
  }
}
@keyframes shadow-a {
  to {
    height: .9vw;
    width: 148%;
  }
}
@keyframes shadow-b {
  to {
    height: .425vw;
    width: 95%;
  }
}
@keyframes shadow-c {
  0% {
    left: 100%;
    opacity: 0;
  }
  50% {
    left: 50%;
    opacity: 1;
  }
  100% {
    left: 0%;
    opacity: 0;
  }
}
@keyframes dog {
  to {
    right: 3.1vw;
    bottom: 14.7vw;
  }
}
@keyframes dog-ear {
  to {
    transform-origin: top left;
    top: 1.3vw;
    transform: rotateZ(-10deg);
  }
}
@keyframes dog-tongue {
  to {
    transform: rotateZ(45deg);
    height: 1.2vw;
  }
}

JavaScript

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