fieldset.River {
    min-width:80px;
    max-width:160px;
    min-height:160px;
    overflow:auto;
    float:left;
}
fieldset.River>div.output {
    padding:0;
}
fieldset.River>div.output div.item {
    padding:3px 16px;
}
fieldset.River>div.output div.item:hover {
    cursor:pointer;
    background-color:#2e515f;
}
fieldset.River>div.output div.item.select {
    background-color:#2e515f;
}

body.white fieldset.River {
    border:solid 2px #1f2224;
    background-color:#1f2224;
    color:white;
}