* {
    box-sizing: border-box;
}

.main {
    background: rgb(208, 210, 237);
    height: 550px;
    border: 1px solid black;
    padding: 10px 5px;
    border-radius: 40px 0 0 40px;
    overflow: auto;
}

.card {
    display: inline-block;
    background: rgb(189, 174, 135);
    width: 300px;
    height: 200px;
    padding: 15px 30px 10px 20px;
    border-radius: 30px;
    border: 1px solid black;
    box-shadow: inset 0 0 7px rgba(0, 0, 0, 0.511);
    margin: 0 10px 15px 0;
}