在Bootstrap 4中从一开始就对齐单行项目
在Bootstrap4中使用.align-items-start来从开始对齐项目的单行。
设置align-items-start类-
<div class="d-flex flex-wrap align-items-start bg-primary" style="height:200px">
添加弹性项目-
<div class="d-flex flex-wrap align-items-start bg-primary" style="height:200px"> <div class="p-2 border">Product 1</div> <div class="p-2 border">Product 2</div> <div class="p-2 border">Product 3</div> </div>
实现align-items-start类以对齐单行项目-
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">
<h1>Align Flex Items on a single row</h1>
<div class="d-flex flex-wrap align-items-start bg-primary" style="height:200px">
<div class="p-2 border">Product 1</div>
<div class="p-2 border">Product 2</div>
<div class="p-2 border">Product 3</div>
<div class="p-2 border">Product 4</div>
</div>
</div>
</body>
</html>