2014圣诞节一款纯css3实现的雪人动画特效

 <span class="text">lolwut<small>-@rsmswlln</small></span>
    <div class="body">
        <div class="hat">
            <div class="ribbon">
            </div>
        </div>
        <div class="face">
        </div>
        <div class="scarf">
        </div>
        <div class="right-arm">
            <div class="hand">
            </div>
        </div>
        <div class="left-arm">
            <div class="hand">
            </div>
        </div>
    </div>
    <div class="puddle">
    </div>

 body {
  background: #c0392b;
}
.body {
  width: 250px;
  height: 250px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: inset -20px -5px 35px rgba(0, 0, 0, 0.2);
  position: absolute;
  right: 0;
  left: 0;
  margin: 300px auto;
  animation: jump 1s infinite;
}
.body:before {
  z-index: 2;
  content: "";
  width: 180px;
  height: 180px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: inset -10px -5px 10px rgba(0, 0, 0, 0.2);
  position: relative;
  display: inline-block;
  top: -120px;
  left: 25px;
}
.body:after {
  content: "";
  width: 140px;
  height: 140px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: inset -10px -5px 10px rgba(0, 0, 0, 0.2);
  position: relative;
  display: inline-block;
  top: -400px;
  left: 20px;
}
.body > .hat {
  width: 200px;
  height: 15px;
  border-radius: 50%;
  background-color: #111111;
  position: absolute;
  z-index: 4;
  top: -200px;
  left: -15px;
}
.body > .hat:before {
  content: "";
  width: 100px;
  height: 65px;
  background-color: #111111;
  display: inline-block;
  position: relative;
  top: -55px;
  left: 51px;
}
.body > .hat:after {
  z-index: 5;
  content: "";
  display: inline-block;
  position: relative;
  top: -145px;
  left: 51px;
  width: 100px;
  height: 5px;
  border-radius: 50%;
  background-color: #2b2b2b;
}
.body > .hat > .ribbon {
  height: 10px;
  width: 100px;
  background-color: #6d2018;
  position: relative;
  top: -90px;
  left: 51px;
  z-index: 6;
}
.body > .face {
  z-index: 3;
  width: 12px;
  height: 12px;
  background-color: #2c3e50;
  border-radius: 50%;
  position: absolute;
  top: -170px;
  left: 38px;
}
.body > .face:before {
  content: "";
  background-color: transparent;
  display: inline-block;
  position: relative;
  top: 30px;
  left: -45px;
  transform: rotate(-15deg);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-right: 40px solid #e67e22;
}
.body > .face:after {
  content: "";
  background-color: transparent;
  display: inline-block;
  position: relative;
  top: 0;
  left: -46px;
  transform: rotate(-15deg);
  border-top: 12px solid transparent;
  border-right: 40px solid #bf6516;
}
.body > .scarf {
  z-index: 3;
  width: 150px;
  height: 30px;
  background-color: #2980b9;
  position: absolute;
  top: -110px;
  left: 25px;
  transform: rotate(-15deg);
  border-radius: 20%;
}
.body > .scarf:after {
  content: "";
  width: 75px;
  height: 30px;
  background-color: #2980b9;
  display: inline-block;
  position: relative;
  top: 16px;
  left: 80px;
  transform: rotate(85deg);
  border-radius: 20%;
}
.body > .left-arm,
.body .right-arm {
  z-index: 7;
  width: 100px;
  height: 6px;
  background-color: #825a2c;
  position: absolute;
  top: 10px;
  left: -20px;
  transform: rotate(-15deg);
  animation: rub-right 0.5s infinite;
}
.body > .left-arm > .hand,
.body .right-arm > .hand {
  width: 25px;
  height: 6px;
  background-color: #825a2c;
  position: absolute;
  top: -32px;
  left: -60px;
  transform: rotate(75deg);
}
.body > .left-arm:after,
.body .right-arm:after {
  content: "";
  width: 75px;
  height: 6px;
  background-color: #a87439;
  display: inline-block;
  position: relative;
  top: -24px;
  left: -70px;
  transform: rotate(25deg);
}
.body > .left-arm.left-arm,
.body .right-arm.left-arm {
  background-color: #a87439;
  animation: rub-left 0.5s infinite;
  top: -15px;
  z-index: 1;
}
.body > .left-arm.left-arm > .hand,
.body .right-arm.left-arm > .hand {
  background-color: #a87439;
  top: -14px;
  transform: rotate(45deg);
}
.body > .left-arm.left-arm:after,
.body .right-arm.left-arm:after {
  background-color: #825a2c;
  transform: rotate(5deg);
  top: -12px;
  left: -74px;
}
.puddle {
  z-index: -1;
  width: 200px;
  height: 100px;
  background: #2980b9;
  border-radius: 50%;
  position: absolute;
  right: 0;
  left: -50px;
  margin: 500px auto;
}
.puddle:after {
  content: "";
  width: 120px;
  height: 80px;
  display: inline-block;
  border-radius: 50%;
  left: 150px;
  position: relative;
  background-color: #2980b9;
}
.text {
  text-align: center;
  font-family: ‘Lobster‘, cursive;
  font-size: 74px;
  display: inline-block;
  transform: rotate(-15deg);
  position: absolute;
  margin: 50px 30px;
  color: #ffffff;
  text-shadow: 3px 3px 2px rgba(0, 0, 0, 0.5);
}
.text > small {
  font-size: 20px;
  display: block;
}
@keyframes rub-left {
  0% {
    margin-left: 0px;
    margin-top: 0;
  }
  50% {
    margin-left: 5px;
    margin-top: 1px;
  }
  100% {
    margin-left: 0px;
    margin-top: 0;
  }
}
@keyframes rub-right {
  0% {
    margin-left: 4px;
  }
  50% {
    margin-left: 0px;
  }
  100% {
    margin-left: 4px;
  }
}
@keyframes jump {
  0% {
    margin: 300px auto;
  }
  40% {
    margin: 250px auto;
  }
  80% {
    margin: 300px auto;
  }
}