.block_settings .block_tree ul {margin-left: 18px;}
.block_settings .block_tree p.hasicon {text-indent: -21px; padding-left: 21px;}
.block_settings .block_tree p.hasicon img {width: 16px; height: 16px; margin-top: 3px; margin-right: 5px; vertical-align: top;}
.block_settings .block_tree p.hasicon.visibleifjs {display: block;}

.block_settings .block_tree .tree_item.branch {padding-left: 21px;}
.block_settings .block_tree .tree_item {cursor:pointer; margin:3px 0px; background-position: 0 50%; background-repeat: no-repeat;}
.block_settings .block_tree .active_tree_node {font-weight:bold;}

.block_settings .block_tree [aria-expanded="true"] {background-image: url('[[pix:t/expanded]]');}
.block_settings .block_tree [aria-expanded="false"] {background-image: url('[[pix:t/collapsed]]');}
.block_settings .block_tree [aria-expanded="true"].emptybranch  {background-image: url('[[pix:t/collapsed_empty]]');}
.block_settings .block_tree [aria-expanded="false"].loading  {background-image: url('[[pix:i/loading_small]]');}
.block_settings .block_tree [aria-hidden="false"] {display: block;}
.block_settings .block_tree  [aria-hidden="true"] {display: none;}

/** Internet explorer specific rules **/
.ie6 .block_settings .block_tree .tree_item {width:100%;}

/** Overide for RTL layout **/
.dir-rtl .block_settings .block_tree p.hasicon {padding-left: 0px; padding-right: 21px;}
.dir-rtl .block_settings .block_tree .tree_item {background-position: 100% 50%;}
.dir-rtl .block_settings .block_tree .tree_item.branch {padding-right: 21px; padding-left: 0;}
.dir-rtl .block_settings .block_tree [aria-expanded="false"] {background-image: url('[[pix:t/collapsed_rtl]]');}
.dir-rtl .block_settings .block_tree [aria-expanded="true"].emptybranch {background-image: url('[[pix:t/collapsed_empty_rtl]]');}
.dir-rtl .block_settings .block_tree [aria-expanded="false"].loading {background-image: url('[[pix:i/loading_small]]');}
.dir-rtl .block_settings .block_tree .tree_item img {margin-right: 0; margin-left: 5px;}
.dir-rtl .block_settings .block_tree ul {margin: 0 16px 0 0;}