@if $theme-name == 'theme-classic' or $theme-name == 'theme-gray' {
    .tree-grid-task {
        background-image: url(images/icons/fam/cog.gif);
    }
    .tree-grid-task-folder {
        background-image: url(images/icons/fam/folder_go.gif);
    }
    .tree-grid-edit-task {
        background-image: url(images/edit_task.png);
    }
} @else {
    .tree-grid-task:before {
        font: 16px/1 FontAwesome;
        color: gray;
        content: $fa-var-cog;
    }
    .tree-grid-task-folder:before {
        font: 16px/1 FontAwesome;
        content: $fa-var-envelope;
    }
    .tree-grid-edit-task:before {
        font: 16px/1 FontAwesome;
        content: $fa-var-pencil-square-o;
    }
}