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.bbit-tree-elbow{background:transparent}.bbit-tree-no-lines .bbit-tree-elbow-end{background:transparent}.bbit-tree-no-lines .bbit-tree-elbow-line{background:transparent}.bbit-tree-arrows .bbit-tree-elbow{background:transparent}.bbit-tree-arrows .bbit-tree-elbow-plus{background:transparent no-repeat 0 0}.bbit-tree-arrows .bbit-tree-elbow-minus{background:transparent no-repeat -16px 0}.bbit-tree-arrows .bbit-tree-elbow-end{background:transparent}.bbit-tree-arrows .bbit-tree-elbow-end-plus{background:transparent no-repeat 0 0}.bbit-tree-arrows .bbit-tree-elbow-end-minus{background:transparent no-repeat -16px 0}.bbit-tree-arrows .bbit-tree-elbow-line{background:transparent}.bbit-tree-arrows .bbit-tree-ec-over .bbit-tree-elbow-plus{background-position:-32px 0}.bbit-tree-arrows .bbit-tree-ec-over .bbit-tree-elbow-minus{background-position:-48px 0}.bbit-tree-arrows .bbit-tree-ec-over .bbit-tree-elbow-end-plus{background-position:-32px 0}.bbit-tree-arrows .bbit-tree-ec-over 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.bbit-tree-node-icon{background-image:url(images/tree/leaf.gif)}.bbit-tree-node-collapsed .bbit-tree-node-icon{background-image:url(images/tree/folder.gif)}.bbit-tree-node-loading .bbit-tree-node-icon{background-image:url(images/tree/loading.gif)!important}.bbit-tree-node .bbit-tree-node-inline-icon{background-image:none}.bbit-tree-node-loading a span{font-style:italic;color:#444}.bbit-tree-lines .bbit-tree-elbow{background-image:url(images/tree/elbow.gif)}.bbit-tree-lines .bbit-tree-elbow-plus{background-image:url(images/tree/elbow-plus.gif)}.bbit-tree-lines .bbit-tree-elbow-minus{background-image:url(images/tree/elbow-minus.gif)}.bbit-tree-lines .bbit-tree-elbow-end{background-image:url(images/tree/elbow-end.gif)}.bbit-tree-lines .bbit-tree-elbow-end-plus{background-image:url(images/tree/elbow-end-plus.gif)}.bbit-tree-lines .bbit-tree-elbow-end-minus{background-image:url(images/tree/elbow-end-minus.gif)}.bbit-tree-lines .bbit-tree-elbow-line{background-image:url(images/tree/elbow-line.gif)}.bbit-tree-no-lines .bbit-tree-elbow-plus{background-image:url(images/tree/elbow-plus-nl.gif)}.bbit-tree-no-lines .bbit-tree-elbow-minus{background-image:url(images/tree/elbow-minus-nl.gif)}.bbit-tree-no-lines .bbit-tree-elbow-end-plus{background-image:url(images/tree/elbow-end-plus-nl.gif)}.bbit-tree-no-lines .bbit-tree-elbow-end-minus{background-image:url(images/tree/elbow-end-minus-nl.gif)}.bbit-tree-arrows .bbit-tree-elbow-plus{background-image:url(images/tree/arrows.gif)}.bbit-tree-arrows .bbit-tree-elbow-minus{background-image:url(images/tree/arrows.gif)}.bbit-tree-arrows .bbit-tree-elbow-end-plus{background-image:url(images/tree/arrows.gif)}.bbit-tree-arrows .bbit-tree-elbow-end-minus{background-image:url(images/tree/arrows.gif)}.bbit-tree-node{color:#000}.bbit-tree-node i{font-size:13px;width:13px;color:#666}.bbit-tree-node a{color:#000}.bbit-tree-node a span{color:#000}.bbit-tree-node 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