#sidebar {
position: absolute;
top: 0;
bottom: 0;
left: 0;
display: flex;
flex-direction: column;
width: 290px;
height: 100%;
}

#header {
padding-left: 10px;
}

#sidebar a, #sidebar a:visited {
color: #000;
}

#sidebar a {
text-decoration: none;
}

#sidebar a:hover {
text-decoration: underline;
}


#keys {
flex-grow: 1;
width: 290px;
margin-top: 10px;
padding-left: 10px;
overflow: auto;
}

#keys ul {
list-style-type: none;
margin: 0;
padding: 0;
}

#keys li {
font-weight: normal;
white-space: nowrap;
}

#keys li.folder {
font-weight: bold;
margin-top: .05em;
cursor: pointer;
}

#keys li.empty a {
color: #888;
}

#keys li.current a {
background-color: #eee;
}

#keys li.hidden {
display: none;
}

#keys .icon {
padding: 1px 0 1px 20px;
background: url(../images/folder-open.png) left center no-repeat;
white-space: nowrap;
}

#keys li.collapsed ul {
display: none;
}

#keys ul ul {
margin-left: 6px;
background: url(../images/tree-vline.gif) repeat-y;
}

#keys ul ul li {
padding-left: 16px;
background: url(../images/tree-node.gif) no-repeat;
}

#keys ul ul li.folder {
background-image: url(../images/tree-folder-expanded.gif);
}

#keys ul ul li.folder.collapsed {
background-image: url(../images/tree-folder-collapsed.gif);
}

#keys ul ul li.last { /* Hard-coded substitute for :last-child */
margin-bottom: .3em;
background: #fff url(../images/tree-lastnode.gif) no-repeat;
}

#keys ul ul li.last.folder {
background-image: url(../images/tree-lastnode-expanded.gif);
}

#keys ul ul li.last.folder.collapsed {
background-image: url(../images/tree-lastnode-collapsed.gif);
}

#keys .deltree {
display: none;
}

#keys .icon:hover .deltree {
display: inline;
}

#resize {
position: fixed;
top: 0;
left: 300px;
bottom: 0;
width: 5px;
background-color: #aaa;
cursor: col-resize;
padding: 0;
margin: 0;
border-left: 1px solid #000;
}

#resize-layover {
position: fixed;
top: 0;
left: 305px;
right: 0;
bottom: 0;
width: 100%;
z-index: 1000;
}

#frame {
position: fixed;
top: 0;
left: 305px;
right: 0;
bottom: 0;
}

#frame iframe {
width: calc(100% - 3em);
height: 100%;
margin-left: 1.5em;
margin-right: 1.5em;
}