* {
    box-sizing: border-box;
}

.blockpop {
    background: #b3bac4;
    overflow: scroll;
    border: 1px solid #000;
    border-bottom-left-radius: 30px;
    border-top-left-radius: 30px;
    overflow: auto;
    max-height: 500px;
    padding-right: 900px;
}

.block {
    background: #a59b80;
    border: 2px solid #000;
    border-radius: 30px; 
    display: inline-block;
    max-width: 200px;
    overflow: auto;
padding: 10px;
padding-left: 20px;
margin: 5px;
}