console 命令行工具 X clear

console

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="index.css">
    <title>card</title>
</head> 
<body>
    <div class="back">
        <div class="box1">
            <div class="title1">Card title</div>
            <hr>
            <div class="box2">
                Card content <br>
                Card content <br>
                Card content <br>
            </div>
        </div>

    </div>
    
</body>
</html>

.back {
    width: 550px;
    height: 280px;
    padding-top: 30px;
    background-color: rgb(233, 227, 227);
    margin: auto;
}

.box1 {
    width: 400px ;
    height: 230px;
    margin: 0 auto;
    background-color: white;
}

.title1 {
    width: 400px;
    height: 80px;
    padding-left: 20px;
   line-height: 80px;
   font-size: 20px;
}

.box2 {
    width: 400px ;
    height: 100px;
    font-size: 20px;
    margin-left: 20px;
    color: darkgrey;
}