body {
    background-color: #b22222;
    margin: 0px;
    padding: 0px;
}

.container {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
}

.cube {
    height: 70px;
    width: 70px;
    border: 1px solid #aa8585 ;
    background-color: #883131;
    margin: 5px;
    box-shadow: -1px -1px #792e2e;
}

.cube:hover {
    background-color: firebrick;
    border: 1px solid #bb4747 ;
    box-shadow: 4px 4px #792e2e;
}

.bingo:hover {
    background-color: #1fe605;
}