React/响应式布局/06.剩余空间调整为间...

<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>
        /* 当父元素一行中有剩余空间怎么解决？ */
        #div0 {
            width: 380px;
            background-color: blue;
            display: flex;
            flex-flow: row wrap;
            /* justify-content 用来在存于剩余空间时，设置为间距的方式 */
            justify-content: space-between;
        }
        #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>