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在Bootstrap中以不同屏幕尺寸在中心对齐Flex项目

2024-05-09 22:08:04 354

要在不同屏幕尺寸的中心对齐项目，请使用justify-content-*-center类。

对于较小的屏幕尺寸，对齐后的弹性项目如下所示：

<div class="d-flex justify-content-sm-center bg-warning mb-5">
  <div class="p-2 bg-danger">GOLF</div>
  <div class="p-2 bg-info">CRICKET</div>
  <div class="p-2 bg-secondary">SQUASH</div>
</div>

对于中等尺寸的屏幕，对齐后的弹性项目如下所示：

<div class="d-flex justify-content-md-center bg-warning mb-5">
  <div class="p-2 bg-danger">GOLF</div>
  <div class="p-2 bg-info">CRICKET</div>
  <div class="p-2 bg-secondary">SQUASH</div>
</div>

对于大屏幕尺寸，对齐后的弹性项目如下所示：

<div class="d-flex justify-content-lg-center bg-warning mb-5">
  <div class="p-2 bg-danger">GOLF</div>
  <div class="p-2 bg-info">CRICKET</div>
  <div class="p-2 bg-secondary">SQUASH</div>
</div>

让我们看看如何实现justify-content-*-center-

示例

<!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">
    <h3>Sports</h3>
    <h4>Centered on small screen</h4>
    <div class="d-flex justify-content-sm-center bg-warning mb-5">
      <div class="p-2 bg-danger">GOLF</div>
      <div class="p-2 bg-info">CRICKET</div>
      <div class="p-2 bg-secondary">SQUASH</div>
    </div>
    <h4>Centered on medium screen</h4>
    <div class="d-flex justify-content-md-center bg-warning mb-5">
      <div class="p-2 bg-danger">GOLF</div>
      <div class="p-2 bg-info">CRICKET</div>
      <div class="p-2 bg-secondary">SQUASH</div>
    </div>
    <h4>Centered on large screen</h4>
    <div class="d-flex justify-content-lg-center bg-warning mb-5">
      <div class="p-2 bg-danger">GOLF</div>
      <div class="p-2 bg-info">CRICKET</div>
      <div class="p-2 bg-secondary">SQUASH</div>
    </div>
</div>

</body>
</html>

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在Bootstrap中以不同屏幕尺寸在中心对齐Flex项目

示例

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