.dd {position: relative;display: block;margin: 0; padding: 0;max-width: 600px;list-style: none;font-size: 13px;line-height: 20px;}.dd-list { display: block; position: relative; margin: 0; padding: 0; list-style: none; }.dd-list .dd-list { padding-left: 30px; }.dd-collapsed .dd-list { display: none; }.dd-item,.dd-empty,.dd-placeholder {display: block;position: relative;margin: 0;padding: 0;min-height: 20px;font-size: 13px;line-height: 20px;}.dd-handle {display: block;margin: 5px 0;padding: 10px 10px;text-decoration: none;border: 1px solid #ebebeb;background: #fff;-webkit-border-radius: 3px;border-radius: 3px;}.dd-handle:hover {background: #fff; }.dd-item > button { display: block; position: relative; cursor: pointer; float: left; width: 25px; height: 30px; margin: 5px 0; padding: 0; text-indent: 100%; white-space: nowrap; overflow: hidden; border: 0; background: transparent; font-size: 12px; line-height: 1; text-align: center; font-weight: bold; }.dd-item > button:before { content: '+'; display: block; position: absolute; width: 100%; text-align: center; text-indent: 0; }.dd-item > button[data-action="collapse"]:before { content: '-'; }.dd-placeholder,.dd-empty { margin: 5px 0; padding: 0; min-height: 30px; background: #f2fbff; border: 1px dashed #b6bcbf; box-sizing: border-box; -moz-box-sizing: border-box; }.dd-empty { border: 1px dashed #bbb; min-height: 100px; background-color: #e5e5e5;background-size: 60px 60px;background-position: 0 0, 30px 30px;}.dd-dragel { position: absolute; pointer-events: none; z-index: 9999; }.dd-dragel > .dd-item .dd-handle { margin-top: 0; }.dd-dragel .dd-handle {-webkit-box-shadow: 2px 4px 6px 0 rgba(0,0,0,.1);box-shadow: 2px 4px 6px 0 rgba(0,0,0,.1);}.nestable-lists { display: block; clear: both; padding: 30px 0; width: 100%; border: 0; border-top: 2px solid #ddd; border-bottom: 2px solid #ddd; }@media only screen and (min-width: 700px) {.dd + .dd { margin-left: 2%; }}.dd-hover > .dd-handle { background: #2ea8e5 !important; }.dd3-content { display: block;margin: 5px 0;padding: 10px 10px 10px 50px;text-decoration: none;border: 1px solid #ebebeb;background: #fff;-webkit-border-radius: 3px;border-radius: 3px;}.dd-dragel > .dd3-item > .dd3-content { margin: 0; }.dd3-item > button { margin-left: 40px; }.dd3-handle {position: absolute;margin: 0;left: 0;top: 0;cursor: pointer;width: 40px;text-indent: 100%;white-space: nowrap;overflow: hidden;border: 1px solid #ebebeb;background: #fff;border-top-right-radius: 0;border-bottom-right-radius: 0;}.dd3-handle:before { content: '≡'; display: block; position: absolute; left: 0; top: 10px; width: 100%; text-align: center; text-indent: 0; color: #ccc; font-size: 20px; font-weight: normal; }.dd3-handle:hover { background: #f7f7f7; }