效果预览按下右侧的“点击预览”按钮可以在当前页面预览，点击链接可以全屏预览。https://codepen.io/comehope/pen/odKrpy可交互视频教程此视频是可以交互的，你可以随时暂停视频，编辑视频中的代码。请用 chrome, safari, edge 打开观看。https://scrimba.com/p/pEgDAM/cV7J6SK源代码下载每日前端实战系列的全部源代码请从 github 下载：https://github.com/comehope/front-end-daily-challenges代码解读定义 dom，只有一个元素：<div class="panda"></div>居中显示：body { margin: 0; height: 100vh; display: flex; align-items: center; justify-content: center; background-color: mediumturquoise;}定义容器尺寸：.panda { width: 21em; height: 16em; background-color: white;}画出头部轮廓：.panda { border: 0.5em solid #333; border-top-left-radius: 11em; border-top-right-radius: 11em; border-bottom-left-radius: 11em 6em; border-bottom-right-radius: 11em 6em;}画出右眼轮廓：.panda { position: relative;}.panda::before { content: ''; position: absolute; width: 7em; height: 4em; left: 2.9em; top: 5.5em; background-color: #333; border-radius: 50% 50% 45% 42%; transform: rotate(-45deg);}类似地，画出左眼轮廓：.panda::after { content: ''; position: absolute; width: 7em; height: 4em; left: 11.1em; top: 5.5em; background-color: #333; border-radius: 50% 50% 42% 45%; transform: rotate(45deg);}画出两只耳朵：.panda::before { box-shadow: 1em -7.2em 0 -0.4em #333;}.panda::after { box-shadow: -1em -7.2em 0 -0.4em #333;}画出两只眼睛：.panda::before { background-image: radial-gradient(circle at 5.1em 2em, white 0.3em, transparent 0.3em), radial-gradient(circle at 4.6em 2em, #333 0.7em, transparent 0.7em), radial-gradient(circle at 4.5em 2em, white 1em, transparent 1em);}.panda::after { background-image: radial-gradient(circle at 2.4em 1.5em, white 0.3em, transparent 0.3em), radial-gradient(circle at 2.4em 2em, #333 0.7em, transparent 0.7em), radial-gradient(circle at 2.5em 2em, white 1em, transparent 1em);}画出鼻子和嘴：.panda { background-image: radial-gradient(ellipse at 50% 60%, #333 1.2em, transparent 1.2em), radial-gradient(ellipse at 50% 80%, #555 0.6em, transparent 0.6em);}增加一点立体效果：.panda { border-bottom-width: 1em; box-shadow: inset 1em -1em 0 #eee;}让右眼动起来：.panda::before { animation: before-animate 1s ease-in-out infinite alternate;}@keyframes before-animate { to { background-image: radial-gradient(circle at 4.9em 1.8em, white 0.3em, transparent 0.3em), radial-gradient(circle at 4.4em 1.8em, #333 0.7em, transparent 0.7em), radial-gradient(circle at 4.5em 2em, white 1em, transparent 1em); }}类似地，让左眼也动起来：.panda::after { animation: after-animate 1s ease-in-out infinite alternate -1s;}@keyframes after-animate { to { background-image: radial-gradient(circle at 2.6em 1.3em, white 0.3em, transparent 0.3em), radial-gradient(circle at 2.6em 1.8em, #333 0.7em, transparent 0.7em), radial-gradient(circle at 2.5em 2em, white 1em, transparent 1em); }}最后，让黑眼圈和耳朵也动起来：@keyframes before-animate { to { transform: rotate(-40deg); }}@keyframes after-animate { to { transform: rotate(40deg); }}大功告成！
