在Bootstrap 4的不同屏幕上“对齐”对齐收集的项目

在Bootstrap 4的不同屏幕上,使用.align-content-*-around对齐收集的项目。

如下图所示,在不同设备上对齐收集的物品-

小型装置

<div class="d-flex flex-wrap align-content-sm-around bg-primary" style="height:250px">

中型设备

<div class="d-flex flex-wrap align-content-md-around bg-primary" style="height:250px">

大型装置

<div class="d-flex flex-wrap align-content-lg-around bg-primary" style="height:250px">

您可以尝试运行以下代码以实现align-content-*-around类-

示例

<div class="d-flex flex-wrap align-content-lg-around bg-primary" style="height:250px">
<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
    <script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
  </head>
  <body>
  <div class="container mt-3">
    <h2>Example</h2>
    <div class="d-flex flex-wrap align-content-around bg-primary" style="height:250px">
      <div class="p-2 border">One</div>
      <div class="p-2 border">Two</div>
      <div class="p-2 border">Three</div>
      <div class="p-2 border">Four</div>
      <div class="p-2 border">Five</div>
      <div class="p-2 border">Six</div>
      <div class="p-2 border">Seven</div>
      <div class="p-2 border">Eight</div>
      <div class="p-2 border">Nine</div>
      <div class="p-2 border">Ten</div>
      <div class="p-2 border">Eleven</div>
      <div class="p-2 border">Twleve</div>
      <div class="p-2 border">Thirteen</div>
      <div class="p-2 border">Fourteen</div>
    </div>
    <h2>Small Screen Size</h2>
      <div class="d-flex flex-wrap align-content-sm-around bg-primary" style="height:250px">
        <div class="p-2 border">One</div>
        <div class="p-2 border">Two</div>
        <div class="p-2 border">Three</div>
        <div class="p-2 border">Four</div>
        <div class="p-2 border">Five</div>
        <div class="p-2 border">Six</div>
        <div class="p-2 border">Seven</div>
        <div class="p-2 border">Eight</div>
        <div class="p-2 border">Nine</div>
        <div class="p-2 border">Ten</div>
        <div class="p-2 border">Eleven</div>
        <div class="p-2 border">Twleve</div>
        <div class="p-2 border">Thirteen</div>
        <div class="p-2 border">Fourteen</div>
      </div>
      <h2>Medium Screen Size</h2>
      <div class="d-flex flex-wrap align-content-md-around bg-primary" style="height:250px">
        <div class="p-2 border">One</div>
        <div class="p-2 border">Two</div>
        <div class="p-2 border">Three</div>
        <div class="p-2 border">Four</div>
        <div class="p-2 border">Five</div>
        <div class="p-2 border">Six</div>
        <div class="p-2 border">Seven</div>
        <div class="p-2 border">Eight</div>
        <div class="p-2 border">Nine</div>
        <div class="p-2 border">Ten</div>
        <div class="p-2 border">Eleven</div>
        <div class="p-2 border">Twleve</div>
        <div class="p-2 border">Thirteen</div>
        <div class="p-2 border">Fourteen</div>
      </div>
      <h2>Large Screen Size</h2>
      <div class="d-flex flex-wrap align-content-lg-around bg-primary" style="height:250px">
        <div class="p-2 border">One</div>
        <div class="p-2 border">Two</div>
        <div class="p-2 border">Three</div>
        <div class="p-2 border">Four</div>
        <div class="p-2 border">Five</div>
        <div class="p-2 border">Six</div>
        <div class="p-2 border">Seven</div>
        <div class="p-2 border">Eight</div>
        <div class="p-2 border">Nine</div>
        <div class="p-2 border">Ten</div>
        <div class="p-2 border">Eleven</div>
        <div class="p-2 border">Twleve</div>
        <div class="p-2 border">Thirteen</div>
        <div class="p-2 border">Fourteen</div>
    </div>
   </div>

</body>
</html>