实现效果图如下：
实例代码如下：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>纸飞机</title> <style> .wrap { position: relative; display: inline-block; width: 300px; height: 120px; -webkit-animation: fly 6s; -moz-animation: fly 6s; -o-animation: fly 6s; animation: fly 6s;: } .triangle1 { /*黄色三角形*/ position: absolute; top: 50px; left: 8px; height: 0; width: 0; border-left: 100px solid rgba(255, 255, 255, 0); border-right: 180px solid rgba(255, 255, 255, 0); border-bottom: 24px solid #f09c18; -webkit-transform: rotate(-10deg); -moz-transform: rotate(-10deg); -ms-transform: rotate(-10deg); -o-transform: rotate(-10deg); transform: rotate(-10deg); } .triangle1:after { /*红色边线*/ position: absolute; left: -100px; content: ""; display: block; width: 280px; height: 24px; border-bottom: 1px solid red; } .triangle2 { /*绿色三角形*/ position: absolute; top: 39px; left: 66px; height:0; width: 0; border-left: 40px solid rgba(255, 255, 255, 0); border-right: 180px solid rgba(255, 255, 255, 0); border-top: 24px solid #07d362; -webkit-transform: rotate(5.2deg); -moz-transform: rotate(5.2deg); -ms-transform: rotate(5.2deg); -o-transform: rotate(5.2deg); transform: rotate(5.2deg); } .triangle2:after { /*黄色边线*/ position: absolute; top: -24px; left: -40px; content: ""; display: block; width: 220px; height: 24px; border-top: 1px solid yellow; } .triangle3 { /*黑色三角形*/ position: absolute; top: 68px; left: 100px; height: 0; width: 0; border-left: 6px solid rgba(255, 255, 255, 0); border-right: 100px solid rgba(255, 255, 255, 0); border-bottom: 12px solid #2e302c; -webkit-transform: rotate(-16.8deg); -moz-transform: rotate(-16.8deg); -ms-transform: rotate(-16.8deg); -o-transform: rotate(-16.8deg); transform: rotate(-16.8deg); } @keyframes fly { /*定义动画*/ 0% { top: 0; left: 0; } 5% { -webkit-transform: rotate(10deg); -moz-transform: rotate(10deg); -ms-transform: rotate(10deg); -o-transform: rotate(10deg); transform: rotate(10deg); } 50% { top: 200px; left: 800px; -webkit-transform: rotate(10deg); -moz-transform: rotate(10deg); -ms-transform: rotate(10deg); -o-transform: rotate(10deg); transform: rotate(10deg); } 55% { -webkit-transform: rotate(170deg) rotateX(180deg); -moz-transform: rotate(170deg) rotateX(180deg); -ms-transform: rotate(170deg) rotateX(180deg); -o-transform: rotate(170deg) rotateX(180deg); transform: rotate(170deg) rotateX(180deg); } 100% { top: 400px; left: 0; -webkit-transform: rotate(170deg) rotateX(180deg); -moz-transform: rotate(170deg) rotateX(180deg); -ms-transform: rotate(170deg) rotateX(180deg); -o-transform: rotate(170deg) rotateX(180deg); transform: rotate(170deg) rotateX(180deg); } } </style></head><body> <div class="wrap"> <div class="triangle1"></div> <div class="triangle2"></div> <div class="triangle3"></div> </div></body></html>总结
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