css——模态框【遮罩层的制作；信息层；往白色的块里添加表单】

程序员文章站 2022-04-20 23:49:54

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目录

1、遮罩层的制作

<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .modal {
            background: black;
            position: fixed;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            opacity: 0.4;
        }
    </style>
</head>

<body>
    <input type="button" value="显示">
    <div class="modal">1</div>
    <div class="info">2</div>
</body>

</html>

2、信息层

主要是白色底的一个盒子。

<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .modal {
            background: black;
            position: fixed;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            opacity: 0.4;
        }

        .info {
            position: fixed;
            background-color: white;
            width: 400px;
            height: 300px;
            left: 50%;
            top: 50%;
            margin-top: -150px;
            margin-left: -200px;
        }
    </style>
</head>

<body>
    <input type="button" value="显示">
    <div class="modal">1</div>
    <div class="info">2</div>
</body>

</html>

3、往白色的块里添加表单

简单的调整样式

<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .modal {
            background: black;
            position: fixed;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            opacity: 0.4;
        }

        .info {
            position: fixed;
            background-color: white;
            width: 400px;
            height: 300px;
            left: 50%;
            top: 50%;
            margin-top: -150px;
            margin-left: -200px;
        }

        form {
            width: 80%;
            height: 40%;
            /*background-color: yellow;*/
            margin: 50px auto 0;

        }
    </style>
</head>

<body>
    <input type="button" value="显示">
    <!--遮罩层-->
    <div class="modal">1</div>
    <!--信息层-->
    <div class="info">
        <!--    表单-->
        <form action="">
            姓名：<input type="text" name="username"> <br>
            <input type="submit" value="提交">
            <input type="button" value="取消">
        </form>
    </div>
</body>

</html>

✨多谢观看~