fieldset.River { overflow:auto; float:left; }
fieldset.River>div.action { display:block; padding:0 12px; }
fieldset.River>div.output { width:180px; }
fieldset.River>div.output div.item { padding:3px 16px; border-left:solid 3px #00ffae; }
fieldset.River>div.output div.list div.item { border-left:solid 3px #ccdc4c; }
fieldset.River>div.output div.list { padding-left:5px; margin-left:8px; }