silverstripe-cms/css/TinyMCEImageEnhancement.css

.group {
    display: inline;
    margin-left: 2px;
}
.middleColumn {
    margin-bottom: 2px;	
}
.link {
    text-decoration: none;
    margin-left: 2px;
} 
/* HACK FOR IE6 */
#TreeDropdownField_Form_EditorToolbarImageForm_FolderID {
    display: expression('inline');	
}
.tree_holder {
    display: inline;
}
#NewFolderName {
    width: 120px;
    margin-top: 0;	
}