.bootstrap-colorpalette {
    line-height: 1;
    padding-left: 4px;
    padding-right: 4px;
    white-space: normal;
}

.bootstrap-colorpalette div { line-height: 0; }

.bootstrap-colorpalette .btn-color {
    border: 1px solid #fff;
    height: 17px;
    margin: 0;
    padding: 0;
    width: 17px;
}

.bootstrap-colorpalette .btn-color:hover { border: 1px solid #000; }