body{
    display: grid;
    justify-items: center;
    align-items: center;
    overflow: hidden;
}
main{
    width: 95vw;
    height: 95vh;
    border: 3px solid burlywood;
    box-sizing: border-box;
    display: flex;
    margin: 0 auto;
    position: relative;
}
div{
    width: 65px;
    height: 65px;
    background-color: #ff6700;  
    margin-left: 1px;
    box-sizing: border-box;
    display: block;
    font-size: 0;
}