.custom-attribute-color {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
    border: 1px solid #2a2a2a !important;
    position: absolute !important;
    z-index: 1000;
}

.custom-attribute-color.selected {
    border: 2px solid #3bb2aa !important;
}