#diseases_tree {
    font-size: 0.9em;
    margin-left: 0;
}

#diseases_tree ul {
	padding-left:20px;
}
#diseases_tree li {
	list-style:none;
}
#diseases_tree ul.hide {
	display:none;
}
#diseases_tree span {
	color:#999;
	font-family:"Courier New", Courier, monospace;
	cursor:default;
}
#diseases_tree span.expanded, #diseases_tree span.collapsed {
	cursor:pointer;
}

#mesh-dropdown button {
    margin: 1em 1em 0 0;
}