<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .box{
            width: 300px;
            height: 300px;
            border: 1px solid red;
            background-color: rgb(183,226,219);
            margin: 100px auto;
        }
        .header{
            width: 145px;
            height: 70px;
            margin: 20px auto;
            background-color: rgb(148,194,72);
            border-radius: 75px 75px 0 0;
            position: relative;
        }
        .header::before{
            content: '';
            width: 16px;
            height: 16px;
            background-color: white;
            position: absolute;
            top:30px;
            left:25px;
            border-radius: 50%;
        }
        .header::after{
            content: '';
            width: 16px;
            height: 16px;
            background-color: white;
            position: absolute;
            top:30px;
            right:25px;
            border-radius: 50%;
        }
        .line{
            width: 146px;
            height: 80px;
            position: absolute;
        }
        .line::before{
            content: '';
            width: 6px;
            height: 30px;
            background-color: rgb(148,194,72);
            position: absolute;
            top: -10px;
            left: 15px;
            border-radius: 5px;
            transform: rotate(-30deg);
        }
        .line::after{
            content: '';
            width: 6px;
            height: 30px;
            background-color: rgb(148,194,72);
            position: absolute;
            top: -10px;
            right: 15px;
            border-radius: 5px;
            transform: rotate(30deg);
        }
        .body{
            width: 145px;
            height: 125px;
            margin: -10px auto;
            background-color: rgb(148,194,72);
            border-radius: 0 0 10px 10px;
            position: relative;
        }
        .body::before{
            content: '';
            height: 100px;
            width: 30px;
            background-color: rgb(148,194,72);
            position: absolute;
            left: -35px;
            border-radius: 15px;
        }
        .body::after{
            content: '';
            height: 100px;
            width: 30px;
            background-color: rgb(148,194,72);
            position: absolute;
            right: -35px;
            border-radius: 15px;
        }
        .footer{
            width: 145px;
            margin: 10px auto;
            position: relative;
        }
        .footer::before{
            content: '';
            width: 38px;
            height: 50px;
            background-color: rgb(148,194,72);
            position: absolute;
            left: 25px;
            border-radius: 0 0 17px 17px;
        }
        .footer::after{
            content: '';
            width: 38px;
            height: 50px;
            background-color: rgb(148,194,72);
            position: absolute;
            right: 25px;
            border-radius: 0 0 17px 17px;
        }
    </style>
</head>
<body>
<div class='box'>
    <div class="header">
        <div class="line"></div>
    </div>
    <div class="body"></div>
    <div class="footer"></div>
</div>
</body>
</html>