.map-row {
    display: flex;
    flex-wrap: nowrap;
    flex-shrink: 0;
}

.map-cell {
    display: block;
    width: 20px;
    height: 20px;
    margin: 0;
    flex-shrink: 0;
}

.mybtn {
    height: 40px !important;
    width: 40px !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 40px !important;
}

.color-radio+label {
    border: 3px solid #ccc !important;
}

.color-radio:checked+label {
    border: 3px solid #000 !important;
}

.spacer-x {
    width: 10px;
    flex-shrink: 0;
    display: inline-block;
}