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转动的自行车

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<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>纯CSS3实现自行车动画DEMO演示</title>
<style type="text/css">
* {
    padding: 0;
    margin: 0;
}
html , body {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 50%;
    left: 0%;
}
html {
    background-color: rgba(58,62,67,1);
}
#animation {
  width:450px;
}
.bike {
position:relative;
}
.front.wheel {
    margin-left: 140px;
}
.back.wheel {
    margin-left: -120px;
}
.wheel {
    width: 144px;
    height: 144px;
    margin-top: 50px;
    border-radius: 150px;
    position: absolute;
    top: calc(50% - 75px);
    left: calc(50% - 75px);
    border: 3px solid #ff6f6a;
    overflow: hidden;
    border-radius: 150px;
    animation: wheelSpin 1.6s linear 0s infinite reverse none;
	-webkit-animation: wheelSpin 1.6s linear 0s infinite reverse none;
}
.wheel .hub {
    background-color: rgba(115,118,121,1);
    border: 2px dotted rgba(235,238,241,0.5);
    width: 10px;
    height: 10px;
    border-radius: 150px;
    position: absolute;
    top: calc(50% - 7px);
    left: calc(50% - 7px);
    z-index: 12;
}
.wheel .gear{
    background-color: rgba(75,78,81,1);
    border: 3px dotted rgba(255,250,250,1);
    border-radius: 150px;
    position: absolute;
    top: calc(50% - 13px);
    left: calc(50% - 13px);
    width: 20px;
    height: 20px;
    z-index: -1;
}
.wheel .rim {
    position: absolute;
    width: calc( 100% - 4px );
    height: calc( 100% - 4px );
    border: 2px solid rgba(255,111,106,0.9);
    border-radius: 150px;
    z-index: 12;
}
.wheel .rim .air {
    position: absolute;
    background-color: rgba(18,22,26,1);
    left: 50%;
    width: 2px;
    height: 6px;
    border-radius: 5px;
    z-index: 14;
    margin-left: -8px;
}
.back.wheel .rim .air {
    bottom: 0;
}
.wheel .spokes div {
    position: absolute;
    width: 0px;
    height: 144px;
    border-left: 1px solid rgba(255,111,106,0.5);
    margin-left: calc( 50% - 1px );
}
.wheel .spokes div:nth-of-type(1){
    -webkit-transform: rotate(22.5deg);
    transform: rotate(22.5deg);
}
.wheel .spokes div:nth-of-type(2){
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
.wheel .spokes div:nth-of-type(3){
    -webkit-transform: rotate(67.5deg);
    transform: rotate(67.5deg);
}
.wheel .spokes div:nth-of-type(4){
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
}
.wheel .spokes div:nth-of-type(5){
    -webkit-transform: rotate(112.5deg);
    transform: rotate(112.5deg);
}
.wheel .spokes div:nth-of-type(6){
    -webkit-transform: rotate(135deg);
    transform: rotate(135deg);
}
.wheel .spokes div:nth-of-type(7){
    -webkit-transform: rotate(157.5deg);
    transform: rotate(157.5deg);
}
.wheel .spokes div:nth-of-type(8){
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
}
@keyframes wheelSpin {
	100% { -webkit-transform: rotate(360deg); -moz-transform: rotate(360deg); -ms-transform: rotate(360deg); -o-transform: rotate(360deg); transform: rotate(360deg);}
	0% { -webkit-transform: rotate(0deg); -moz-transform: rotate(0deg); -ms-transform: rotate(0deg); -o-transform: rotate(0deg); transform: rotate(0deg);}
}
@-webkit-keyframes wheelSpin {
	100% {
    -webkit-transform: rotate(0deg); -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg); transform: rotate(0deg);}
	0% { -webkit-transform: rotate(360deg); -moz-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    -o-transform: rotate(360deg); transform: rotate(360deg);}
}
@keyframes audioLines {
	100% { width: 0px;}
    81% { width: 0px;}
	78% { width: 15px;}
	75% { width: 0;}
	72% { width: 15px;}
	69% { width: 0px;}
	0% { width: 0px;}
}
@-webkit-keyframes audioLines {
	100% { width: 0px;}
    81% { width: 0px;}
	78% { width: 15px;}
	75% { width: 0;}
	72% { width: 15px;}
	69% { width: 0px;}
	0% { width: 0px;}
}
@keyframes audioMove {
	100% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
	81% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
	78% { -webkit-transform: translate(2px , 0px); -moz-transform: translate(2px , 0px); -ms-transform: translate(2px , 0px); -o-transform: translate(2px , 0px); transform: translate(2px , 0px);}
	75% { -webkit-transform: translate(-2px , 0px) rotate( -10deg ); -moz-transform: translate(-2px , 0px) rotate( -10deg ); -ms-transform: translate(-2px , 0px) rotate( -10deg ); -o-transform: translate(-2px , 0px) rotate( -10deg ); transform: translate(-2px , 0px) rotate( -10deg );}
	72% { -webkit-transform: translate(2px , 0px) rotate( 10deg ); -moz-transform: translate(2px , 0px) rotate( 10deg ); -ms-transform: translate(2px , 0px) rotate( 10deg ); -o-transform: translate(2px , 0px) rotate( 10deg ); transform: translate(2px , 0px) rotate( 10deg );}
	69% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
	0% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
}
@-webkit-keyframes audioMove {
	100% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
	81% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
	78% { -webkit-transform: translate(2px , 0px); -moz-transform: translate(2px , 0px); -ms-transform: translate(2px , 0px); -o-transform: translate(2px , 0px); transform: translate(2px , 0px);}
	75% { -webkit-transform: translate(-2px , 0px) rotate( -10deg ); -moz-transform: translate(-2px , 0px) rotate( -10deg ); -ms-transform: translate(-2px , 0px) rotate( -10deg ); -o-transform: translate(-2px , 0px) rotate( -10deg ); transform: translate(-2px , 0px) rotate( -10deg );}
	72% { -webkit-transform: translate(2px , 0px) rotate( 10deg ); -moz-transform: translate(2px , 0px) rotate( 10deg ); -ms-transform: translate(2px , 0px) rotate( 10deg ); -o-transform: translate(2px , 0px) rotate( 10deg ); transform: translate(2px , 0px) rotate( 10deg );}
	69% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
	0% { -webkit-transform: translate(0px , 0px); -moz-transform: translate(0px , 0px); -ms-transform: translate(0px , 0px); -o-transform: translate(0px , 0px); transform: translate(0px , 0px);}
}
.frame div {
    position: absolute;
    background-color: rgba(255,111,106,1);
    border-radius: 8px;
    top: 50%;
    right: 50%;
    width: 4px;
    margin-right: 4px;
}
.frame div.small {
    width: 4px;
    margin-right: 2px;
}
.frame div:nth-of-type(1){
    height: 148px;
    margin-top: -85px;
    margin-right: 30px;
    -webkit-transform: rotate(-20deg);
    -moz-transform: rotate(-20deg);
    -ms-transform: rotate(-20deg);
    -o-transform: rotate(-20deg);
    transform: rotate(-20deg);
}
.frame div:nth-of-type(2){
    height: 118px;
    margin-top: -4px;
    margin-right: 62px;
    -webkit-transform: rotate(-86deg);
    -moz-transform: rotate(-86deg);
    -ms-transform: rotate(-86deg);
    -o-transform: rotate(-86deg);
    transform: rotate(-86deg);
}
.frame div:nth-of-type(3){
    height: 146px;
    margin-top: -64px;
    margin-right: -46px;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}
.frame div:nth-of-type(4){
    height: 120px;
    margin-top: -55px;
    margin-right: 80px;
    -webkit-transform: rotate(40deg);
    -moz-transform: rotate(40deg);
    -ms-transform: rotate(40deg);
    -o-transform: rotate(40deg);
    transform: rotate(40deg);
}
.frame div:nth-of-type(5){
    height: 135px;
    margin-top: -113px;
    margin-right: -28px;
    -webkit-transform: rotate(-94deg);
    -moz-transform: rotate(-94deg);
    -ms-transform: rotate(-94deg);
    -o-transform: rotate(-94deg);
    transform: rotate(-94deg);
}
.frame div:nth-of-type(6){
    height:168px;
    margin-top: -108px;
    margin-right: -107px;
    -webkit-transform: rotate(-25deg);
    -moz-transform: rotate(-25deg);
    -ms-transform: rotate(-25deg);
    -o-transform: rotate(-25deg);
    transform: rotate(-25deg);
}
.seat {
  position:relative;
  display:block;
 top:10px;
}
.seat .support {
    position: absolute;
    top: 50%;
    left:125px;
    margin-left: 31px;
    margin-top: -133px;
    width: 5px;
    height: 84px;
    border-radius:32px;
    background-color: rgba(255,111,106,1);
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(14deg);
    -ms-transform: rotate(14deg);
    -o-transform: rotate(14deg);
    transform: rotate(14deg);
}
.seat .saddle {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 30px solid transparent;
    border-top: 18px solid rgba(255,111,106,1);
    border-top-right-radius: 32px;
    border-bottom-right-radius: 32px;
    border-top-left-radius: 32px;
    position: absolute;
    top: 50%;
    left: 125px;
    margin-left: -5px;
    margin-top: -92px;
}
.seat .saddle:before {
    content:".";
    position: absolute;
    color: rgba(0,0,0,0);
    width: 18px;
    height: 18px;
    margin-left:-25px;
    border-top-left-radius: 45px;
    border-bottom-left-radius: 25px;
    border-bottom-right-radius: 45px;
    border-bottom: 2px solid rgba(255,111,106,1);
    border-left: 2px solid rgba(255,111,106,1);
    margin-top: -15px;
    -webkit-transform: rotate(15deg);
    -moz-transform: rotate(15deg);
    -ms-transform: rotate(15deg);
    -o-transform: rotate(15deg);
    transform: rotate(15deg);
}
.pedals {
    position: absolute;
    z-index: 101;
    top: 50%;
    right: 50%;
    margin-top: 60px;
    margin-right: 6px;
    animation: wheelSpin 2.2s linear 0s infinite reverse none;
	-webkit-animation: wheelSpin 2.2s linear 0s infinite reverse none;
}
.pedals .gear {
    border: 3px solid rgba(255,111,106,1);
    border-radius: 150px;
    position: absolute;
    top: calc(50% - 22px);
    left: calc(50% - 22px);
    width: 38px;
    height: 38px;
    z-index: 1;
    overflow: hidden;
}
.pedals .gear .hub {
    background-color: rgba(255,111,106,1);
    width: 16px;
    height: 16px;
    border-radius: 20px;
    position: absolute;
    top: calc(50% - 8px);
    left: calc(50% - 8px);
    z-index:2;
}
.pedals .gear .struts {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-transform: rotate(60deg);
    -moz-transform: rotate(60deg);
    -ms-transform: rotate(60deg);
    -o-transform: rotate(60deg);
    transform: rotate(60deg);
}
.pedals .pedal {
    background-color: rgba(255,111,106,1);
    border-radius: 10px;
    position: absolute;
    top: calc(50% - 3px);
    left: calc(50% - 3px);
    width: 3px;
    height: 35px;
    z-index: 5;
}
.pedals .pedal .footpad {
    width: 16px;
    height: 5px;
    border-radius: 4px;
    position: absolute;
    z-index: 200;
    margin-left: -6px;
    margin-top: 31px;
    background-color: rgba(255,111,106,1);
    animation: wheelSpin 2.2s linear 0s infinite normal none;
	-webkit-animation: wheelSpin 2.2s linear 0s infinite normal none;
}
.pedals .pedal.back {
    z-index: -1;
    margin-top: -35px;
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    transform: rotate(180deg);
}
.handlebars {
    z-index: 10;
  position:relative;
  display:block;
  top:10px;
}
.handlebars .handle {
    position: absolute;
    border-left: 5px solid rgba(255,111,106,1);
   border-top: 5px solid rgba(255,111,106,1);
   border-bottom: 5px solid rgba(255,111,106,1);
    border-top-left-radius: 45px;
    border-bottom-left-radius: 45px;
    right: 50%;
    width: 50px;
    height: 20px;
    margin-right: -121px;
    margin-top: -121px;
  -webkit-transform: rotate(-15deg);
}
.handlebars .handle:after {
 content:"";
    position: absolute;
    width: 7px;
    height: 0;
  display:block;
    margin-left:36px;
    border: 5px solid rgba(255,111,106,1);
    margin-top: -6px;
   border-radius: 35%;
}
.handlebars .handle:before {
   content:" ";
    position: absolute;
    background-color: rgba(58,62,67,1);
    width: 35px;
    height: 10px;
  display:block;
    margin-left:30px;
    margin-top: 19px;
}
.handle-hub {
    position: relative;
    width: 7px;
    height: 0;
    left:-6px;
    top:29px;
    display:block;
    margin-left:30px;
    border: 5px solid rgba(255,111,106,1);
    margin-top: -12px;
   border-radius: 35%;
}
.chain {
  border:2px solid  rgba(255,111,106,1);
  border-right:0;
  border-top:0;
  border-top-left-radius:40px;
  border-bottom-left-radius:40px;
  width:125px;
  height:25px;
  position:relative;
  display:block;
  top:58px;
  left:90px;
  -webkit-transform: rotate(8deg);
  -moz-transform: rotate(8deg);
  -ms-transform: rotate(8deg);
  -o-transform: rotate(8deg);
  transform: rotate(8deg);
}
.chain:before {
  width:120px;
  border-top:2px solid rgba(255,111,106,1);
  content:"  ";
  dispaly:block;
  position:absolute;
  z-index:9999;
  top:-8px;
  left:6px;
    -webkit-transform: rotate(-8deg);
  -moz-transform: rotate(-8deg);
  -ms-transform: rotate(-8deg);
  -o-transform: rotate(-8deg);
  transform: rotate(-8deg);
}
.basket {
  border: 2px solid rgba(255,111,106,1);
  width:55px;
  height:60px;
  display:block;
  position:absolute;
  top:-82px;
  right:53px;
  z-index:99999;
    border-top-right-radius:20px;
    border-top-left-radius:20px;
}
.basket:before {
  border-left: 2px solid rgba(255,111,106,1);
  width:55px;
  height:62px;
  content:"  ";
  display:block;
  position:absolute;
  top:-0px;
  right:6px;
  z-index:99999;
  border-top-left-radius:22px;
   -webkit-transform: rotate(4deg);
    -moz-transform: rotate(3deg);
    -ms-transform: rotate(3deg);
    -o-transform: rotate(3deg);
    transform: rotate(3deg);
}
.basket:after {
  border-left: 2px solid rgba(255,111,106,1);
  width:70px;
  height:9px;
  content:"  ";
  display:block;
  position:absolute;
  top:87px;
  left:-55px;
  z-index:99999;
    -webkit-transform: rotate(113deg);
    -moz-transform: rotate(113deg);
    -ms-transform: rotate(113deg);
    -o-transform: rotate(113deg);
    transform: rotate(113deg);
}
.basket-wire {
  border-top:1px solid rgba(255,111,106,1);
  width:105px;
  height:105px;
  display:block;
  position:absolute;
  -webkit-transform: rotate(118deg);
    -moz-transform: rotate(118deg);
    -ms-transform: rotate(118deg);
    -o-transform: rotate(118deg);
    transform: rotate(118deg);
  right:60px;
  top:-55px;
    border-top-left-radius:22px;
}
.basket-wire:after{
   content:"  ";
  border-top:1px solid rgba(255,111,106,1);
  width:115px;
  height:105px;
  display:block;
  position:absolute;
  right:0px;
  top:-5px;
  border-top-left-radius:30px;
  z-index:9999;
}
.basket-screw {
  border-left: 2px solid rgba(255,111,106,1);
  width:4px;
  height:4px;
  display:block;
  position:absolute;
  top:56px;
  left:-16px;
  z-index:99999;
    -webkit-transform: rotate(-113deg);
    -moz-transform: rotate(113deg);
    -ms-transform: rotate(113deg);
    -o-transform: rotate(113deg);
    transform: rotate(113deg);
}
.basket-screw:before {
  border-left: 2px solid rgba(255,111,106,1);
  width:10px;
  height:13px;
  content:"  ";
  display:block;
  position:absolute;
  top:0;
  left:-8px;
  z-index:99999;
}
</style>
</head>
<body>
<div style="text-align:center;clear:both;position:absolute;top:-250px;left:50px;z-index:999">
</div>
  <div id="animation">
    <div class="bike">
             <div class="basket"><div class="basket-screw"></div></div>
             <div class="basket-wire"></div>
      <div class="front wheel">
            <div class="rim">
                <div class="air"></div>
            </div>
            <div class="hub"></div>
            <div class="spokes">
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
            </div>
        </div>
        <div class="frame">
            <div></div>
            <div></div>
            <div></div>
            <div class="small"></div>
            <div></div>
            <div class="small"></div>
        </div>
       <div class="seat">
            <div class="support"></div>
            <div class="saddle"></div>
        </div>
      <div class="handlebars">
          <div class="handle"><div class="handle-hub"></div></div>
        </div>
      <div class="pedals">
            <div class="gear">
                <div class="hub"></div>
                <div class="struts">
                </div>
            </div>
            <div class="front pedal">
                <div class="footpad"></div>
            </div>
            <div class="back pedal">
                <div class="footpad"></div>
            </div>
        </div>
        <div class="back wheel">
              <div class="rim">
                  <div class="air"></div>
              </div>
              <div class="hub"></div>
              <div class="gear"></div>
              <div class="spokes">
                  <div></div>
                  <div></div>
                  <div></div>
                  <div></div>
                  <div></div>
                  <div></div>
                  <div></div>
                  <div></div>
              </div>
          </div>
        <div class="chain"></div>
    </div>
</div>
</body>
</html>
代码演示
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