以前使用瀑布流都要用js，现在有了css3，可以轻松实现了。
掌握点：
1、column-count 把div中的文本分为多少列
2、column-width 规定列宽
3、column-gap 规定列间隙
4、break-inside: avoid; 避免元素内部断行并产生新列
注意: Internet Explorer 9及更早 IE 版本浏览器不支持 column-count 属性。
实例：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>CSS3瀑布流</title> <style> /*大层*/ .container{width:80%;margin: 0 auto;} /*瀑布流层*/ .waterfall{ -moz-column-count:4; /* Firefox */ -webkit-column-count:4; /* Safari 和 Chrome */ column-count:4; -moz-column-gap: 1em; -webkit-column-gap: 1em; column-gap: 1em; } /*一个内容层*/ .item{ padding: 1em; margin: 0 0 1em 0; -moz-page-break-inside: avoid; -webkit-column-break-inside: avoid; break-inside: avoid; border: 1px solid #000; } .item img{ width: 100%; margin-bottom:10px; } </style> </head> <body> <div class="container"> <div class="waterfall"> <div class="item"> <img src="https://imgsa.baidu.com/baike/c0%3Dbaike72%2C5%2C5%2C72%2C24/sign=f3d4063328738bd4d02cba63c0e2ecb3/a2cc7cd98d1001e910616de1be0e7bec55e797fa.jpg"> <p>1 convallis timestamp</p> </div> <div class="item"> <img src="https://imgsa.baidu.com/baike/c0%3Dbaike92%2C5%2C5%2C92%2C30/sign=03948ea9b4315c60579863bdecd8a076/8326cffc1e178a825a6b5d1cfe03738da977e833.jpg"> <p>2 convallis timestamp 2 Donec a fermentum nisi. </p> </div> <div class="item"> <img src="https://imgsa.baidu.com/baike/c0%3Dbaike80%2C5%2C5%2C80%2C26/sign=3d645bf2d0ca7bcb6976cf7ddf600006/6d81800a19d8bc3efe5f64fb858ba61ea8d345af.jpg"> <p>3 Nullam eget lectus augue. Donec eu sem sit amet ligula faucibus suscipit. Suspendisse rutrum turpis quis nunc convallis quis aliquam mauris suscipit.</p> </div> <div class="item"> <img src="https://imgsa.baidu.com/baike/c0%3Dbaike180%2C5%2C5%2C180%2C60/sign=fbc3501b0a087bf469e15fbb93ba3c49/bf096b63f6246b60ea65dd24e3f81a4c510fa273.jpg"> <p> 4 Donec a fermentum nisi. Integer dolor est, commodo ut sagittis vitae, egestas at augue. </p> </div> <div class="item"> <img src="https://imgsa.baidu.com/baike/c0%3Dbaike150%2C5%2C5%2C150%2C50/sign=9fe1d71697ef76c6c4dff379fc7f969f/b03533fa828ba61ed2efcd184634970a304e5987.jpg"> <p> 5 Donec a fermentum nisi. Integer dolor est, commodo ut sagittis vitae, egestas at augue.</p> </div> </div> </div> </body> </html>