css背景图片左对齐

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS背景图片左对齐示例</title>
    <style>
        .container {
            width: 80%;
            margin: 0 auto;
            padding: 20px;
            background-color: #f0f0f0;
            background-image: url('https://example.com/image.jpg');
            background-repeat: no-repeat;
            background-position: left top;
            background-size: cover;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>这是一个示例标题</h1>
        <p>这是一个示例段落。</p>
    </div>
</body>
</html>

background-image: url('path/to/image.jpg');
background-position: left top;

.container {
    background-size: contain; /* 或者 cover */
    z-index: 1;
}