.list-group-item.active, .list-group-item.active:hover, .list-group-item.active:focus {
    background-color: #008001;
    border-color: #49a212;
    background: rgb(0,128,1);
    background: -moz-linear-gradient(left, rgba(0,128,1,1) 0%, rgba(119,183,28,1) 100%);
    background: -webkit-linear-gradient(left, rgba(0,128,1,1) 0%,rgba(119,183,28,1) 100%);
    background: linear-gradient(to right, rgba(0,128,1,1) 0%,rgba(119,183,28,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#008001', endColorstr='#77b71c',GradientType=1 );

}

div.panel:nth-child(1) {
//  --purple: #008001;
//  --pink: #77b71c;
//  background: -webkit-gradient(linear, left top, right top, from(var(--purple)), to(var(--pink)));
//  background: linear-gradient(to right, var(--purple), var(--pink));
//  padding: 0.25em
}