ajaxtree.css

/* ajaxtree.css -- stylesheet for Atto AjaxTree, a pseudo-subclass of Atto Tree with AJAX-driven nodes */

@include 'tree.css';

.aw-ajaxtree {
    overflow: hidden;
    max-height: 999px;
    height: auto;

  -webkit-transition: 1s;
     -moz-transition: 1s;
      -ms-transition: 1s;
       -o-transition: 1s;
          transition: 1s;
}

.aw-ajaxtree.empty {
    background-color: #777;
    color: white;
    height: 1.2em;
}

.aw-ajaxtree.empty:before {
    content: "(No child nodes)";
    color: white;
    text-shadow: 1px 1px 3px #000;
    font-variant: small-caps;
    font-weight: bold;
    position: relative; 
    top: 0; left: 10px;
}

.aw-ajaxtree.pending {
    background-color: #777;
    color: white;
    max-height: 100px !important;
}

.aw-ajaxtree.pending:before {
    content: attr(data-fetch-message);
    color: white;
    text-shadow: 1px 1px 3px #000;
    font-variant: small-caps;
    font-weight: bold;
    position: relative; 
    top: 10px; left: 10px;
}