代码实现： ```python def bouncy(x, y, r=100, speed=2, color='#ff4500'): return {"type
要实现CSS3不倒翁动态效果，可以使用CSS3的`transform`属性和`transition`属性。首先，创建一个HTML结构，包含一个容器和一个子元素。然后，使用CSS为容器设置`perspective`属性，为子元素设置`position: relative;`和`transform-style: preserve-3d;`属性。接下来，使用`animation`属性创建动画关键帧，分别设置子元素在Y轴上的正负位移。最后，将动画应用到子元素上，并设置动画的持续时间、延迟和循环次数。这样，当鼠标移动时，子元素就会呈现出不倒翁的动态效果。
HTML代码
<divclass="santa"><divclass="santa-body"><divclass="santa-head"><divclass="santa-ear"></div><divclass="santa-ear"></div><divclass="santa-hat"></div><divclass="santa-eye"></div><divclass="santa-eye"></div><divclass="santa-nose"></div><divclass="santa-mouth"></div></div></div></div>
CSS3代码
.santa-body{font-size:80px;/*试试改变这里的字体大小，有惊喜！*/color:#f91047;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;width:1em;height:1em;background-color:currentColor;-webkit-box-shadow:inset0-0.25emrgba(0,0,0,0.1);box-shadow:inset0-0.25emrgba(0,0,0,0.1);border-radius:50%;-webkit-transform-origin:centerbottom;-ms-transform-origin:centerbottom;transform-origin:centerbottom;-webkit-animation:balancealternateinfinite2sease-in-out;animation:balancealternateinfinite2sease-in-out;}.santa-head{font-size:.4em;width:1em;height:1.9em;background-color:white;border-radius:.5em;-webkit-transform:translateY(-1em);-ms-transform:translateY(-1em);transform:translateY(-1em);position:relative;}.santa-head::before{content:'';width:1em;height:.375em;display:block;background-color:#ff9876;position:absolute;left:0;top:.65em;}.santa-ear{background-color:#fc8363;width:.1em;height:.3em;position:absolute;top:.75em;}.santa-ear:nth-of-type(1){border-radius:.05em00.05em;left:-0.1em;}.santa-ear:nth-of-type(2){border-radius:0.05em.05em0;right:-0.1em;}.santa-hat{content:'';width:1em;height:.15em;position:absolute;-webkit-transform:scale(1.1);-ms-transform:scale(1.1);transform:scale(1.1);top:.5em;left:0;background-color:white;}.santa-hat::before{content:'';display:block;width:1em;height:.5em;background:#f91047;border-radius:.5em.5em00;z-index:2;position:absolute;top:-0.5em;}.santa-hat::after{content:'';width:.25em;height:.25em;display:block;background-color:white;border-radius:50%;position:absolute;z-index:0;top:-0.72em;right:0;-webkit-box-shadow:-0.2em.2em0.12emrgba(0,0,0,0.2),-0.2em.2em0.12em#f91047;box-shadow:-0.2em.2em0.12emrgba(0,0,0,0.2),-0.2em.2em0.12em#f91047;}.santa-eye{width:.12em;height:.12em;background-color:black;border-radius:50%;position:absolute;top:.76em;left:.2em;}.santa-eye+.santa-eye{left:auto;right:.2em;}.santa-nose{width:.12em;height:.22em;background-color:#f24c4c;border-radius:00.12em.12em;position:absolute;top:.84em;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);}.santa-mouth{width:.18em;height:.1em;border-bottom-right-radius:5vw;border-bottom-left-radius:5vw;margin-top:.3em;background-color:black;position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%);-webkit-animation:hohoho4slinearforwardsinfinite;animation:hohoho4slinearforwardsinfinite;}@-webkit-keyframeshohoho{0%,10%,20%,40%,100%{width:.18em;height:.1em;border-bottom-right-radius:1vw;border-bottom-left-radius:1vw;}5%,15%,25%,35%{width:.15em;height:.2em;border-radius:50%;}}@keyframeshohoho{0%,10%,20%,40%,100%{width:.18em;height:.1em;border-bottom-right-radius:1vw;border-bottom-left-radius:1vw;}5%,15%,25%,35%{width:.15em;height:.2em;border-radius:50%;}}@-webkit-keyframesbalance{from{-webkit-transform:rotate(-4deg);transform:rotate(-4deg);}to{-webkit-transform:rotate(4deg);transform:rotate(4deg);}}@keyframesbalance{from{-webkit-transform:rotate(-4deg);transform:rotate(-4deg);}to{-webkit-transform:rotate(4deg);transform:rotate(4deg);}}
