user.css

.switcher-list {
    background-color: rgba(0, 0, 0, 0.7);
}
.paperwm-selection, .item-box:selected {
    border-color: #d64161;
    /*border-color: #00b398;*/
}
.paperwm-selection {
    background-color: #d64161;
    /*background-color: #00b398;*/
}

.paperwm-window-position-bar {
    background-color: rgba(66, 215, 215, 0.35);
    /*background-color: rgba(214, 65, 97, 0.5);
    background-color: rgba(0, 179, 152, 0.50);*/
}