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练习指定<div>元素的动画应具有“ease-in-out”速度曲线。 <style> div { width: 100px; height: 100px; position: relative; background-color: red; animation-name: example; animation-duration: 4s; @(25): @(11); } @keyframes example { 0% {background-color: red; left:0px;} 50% {background-color: yellow; left:200px;} 100% {background-color: red; left:0px;} } </style> <body> <div>这是一个div</div> </body>
<style> div { width: 100px; height: 100px; position: relative; background-color: red; animation-name: example; animation-duration: 4s; animation-timing-function: ease-in-out; } @keyframes example { 0% {background-color: red; left:0px;} 50% {background-color: yellow; left:200px;} 100% {background-color: red; left:0px;} } </style> <body> <div>这是一个div</div> </body>
不正确点击这里重新尝试。 正确！下一题 ❯ |
这将重置所有 138 个练习的分数。
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