.main{
    max-height: 700px;
    overflow: auto;
    margin: 10px;
    border: 1px solid black;
    border-radius: 30px 0 0 30px;
}

.inline-block{
    display: inline-block;
    width: 300px;
    height: 200px;
    background-color: rgb(230, 206, 97);
    padding: 10px 30px;
    margin: 10px;
    border-radius: 30px;
    box-shadow: inset 5px 5px 7px grey, inset -5px -5px 7px grey;
}