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<html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> /* 如果父元素的宽度不够子元素宽度的总和，子元素会被压缩，以便子元素充分的显示 */ #div0 { width: 300px; background-color: blue; display: flex; /* 设置 flex 布局的方向 */ /* flex-direction: row; */
/* 设置 flex 的换行效果 */ /* flex-wrap: wrap; */
/* flex-flow 是 flex-direction 和 flex-wrap 的简写*/ flex-flow: row wrap; } #div0 div { width: 100px; height: 100px; background-color: aqua; } </style></head><body> <div id="div0"> <div>1</div> <div>2</div> <div>3</div> <div>4</div> </div></body></html>
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