<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <style>
            .main{
                background-color: gray;
                width: 500px;
                height: 150px;
                margin: auto;
                position: relative;
                top: 300px;
                overflow: hidden;
                border-radius: 1000px;
                
            }
            .main :nth-child(1){
                border: 4px solid gray;
                border-radius: 1000px;
                position: absolute;
                top: -32px;
                width: 150px;
                height: 50px;
                background-color: white;
                left: 60px;
            }
            .main :nth-child(2){
                position: absolute;
                background-color: white;
                width: 150px;
                height: 50px;
                border: 4px solid gray;
                top: 120px;
                left: 60px;
                border-radius: 100px;
            }
            .main :nth-child(3){
                position: absolute;
                width: 350px;
                height: 50px;
                border: 4px solid gray;
                background-color: white;
                border-radius: 1000px;
                top: 40px;
                left: 250px;
                
            }
        </style>
    </head>
    <body>
        
        <div class="main">
            <div></div>
            <div></div>
            <div></div>
        </div>
        
    </body>
</html>

image