在 Bootstrap 4 中對不同的螢幕上的 Flex 專案進行末對齊


在 Bootstrap 4 中,使用 .align-self-*-end 類來對不同的螢幕上的 Flex 專案進行末對齊。

對於特定螢幕尺寸,請對齊 Flex 專案,就像下面給出的程式碼片段一樣 −

小螢幕尺寸

<div class="d-flex flex-wrap align-items-sm-stretch bg-secondary" style="height:200px">
  <div class="p-2 border">Item 1</div>
  <div class="p-2 border">Item 2</div>
  <div class="p-2 border">Item 3</div>
  <div class="p-2 border">Item 4</div>
</div>

大螢幕尺寸

<div class="d-flex flex-wrap align-items-lg-stretch bg-info" style="height:200px">
  <div class="p-2 border">Item 1</div>
  <div class="p-2 border">Item 2</div>
  <div class="p-2 border">Item 3</div>  
  <div class="p-2 border">Item 4</div>
</div>

您可以嘗試執行以下程式碼,以便在特定螢幕尺寸上對齊 Flex 專案末尾 −

示例

線上演示

<!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://ajax.googleapis.com/ajax/libs/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">
    <h1>Align Specific Flex Item from the end</h1>
    <div class="d-flex bg-info" style="height:200px">
      <div class="p-2 border">Item 1</div>
      <div class="p-2 border">Item 2</div>
      <div class="p-2 border align-self-end">Item 3</div>
    <div class="p-2 border">Item 4</div>
  </div>
  <h2>Small Screen Size</h2>
  <div class="d-flex bg-info" style="height:200px">
    <div class="p-2 border">Item 1</div>
    <div class="p-2 border">Item 2</div>
    <div class="p-2 border align-self-sm-end">Item 3</div>
    <div class="p-2 border">Item 4</div>
  </div>
  <h2>Medium Screen Size</h2>
  <div class="d-flex bg-primary" style="height:200px">
    <div class="p-2 border">Item 1</div>
    <div class="p-2 border">Item 2</div>
    <div class="p-2 border align-self-md-end">Item 3</div>
    <div class="p-2 border">Item 4</div>
  </div>
  <h2>Large Screen Size</h2>
  <div class="d-flex bg-info" style="height:200px">
    <div class="p-2 border">Item 1</div>
    <div class="p-2 border">Item 2</div>
    <div class="p-2 border align-self-lg-end">Item 3</div>
    <div class="p-2 border">Item 4</div>
  </div>
 </div>

</body>
</html>

更新於: 2020 年 6 月 18 日

107 次瀏覽

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