实现页脚在内容最底部

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
        }

        html,
        body {
            height: 100%;
        }

        .container {
            min-height: 100%;
        }

        .content {
            background: goldenrod;
            color: white;
            text-align: center;
        }

        .placeholder {
            height: 50px;
        }

        .footer {
            height: 50px;
            background: greenyellow;
            margin-top: -50px;
        }
    </style>
</head>

<body>
    <div class="container">
        <div class="content">我是内容</div>
        <div class="placeholder"></div>
    </div>
    <div class="footer"></div>
</body>

</html>

Chocolate1999 / Front-end-learning-to-organize-notes

实现页脚在内容最底部 #482