* {box-sizing: border-box;}
.bigbro {border: 1px solid;
    border-radius: 50px 0 0 50px;
    height:700px;
    background: rgb(233, 227, 227);
    overflow: auto;
    padding-right: 350px;
}
.bro {
    background: #ada570;
    width: 250px;
    height: 250px;
    padding: 35px;
    margin: 10px 15px 15px 5px ;
    border-radius: 16%;
    display: inline-block;
    box-shadow:  inset -20px 0px 20px 2px #918a60,inset 0px 20px 20px 2px #918a60,inset 20px 0px 20px 2px #918a60,inset 0px -20px 20px 2px #918a60;
}