- `animate` - turns animation on (default: `false`)

- `auto` - if `false` it tells to do not initialize existing items (default: `true`)

- `cell_height` - one cell height (default: `60`)

- `handle` - draggable handle selector (default: `'.grid-stack-item-content'`)

- `height` - maximum rows amount. Default is `0` which means no maximum rows

- `float` - enable floating widgets (default: `false`) See [example](http://troolee.github.io/gridstack.js/demo/float.html)

- `item_class` - widget class (default: `'grid-stack-item'`)

- `min_width` - minimal width. If window width is less grid will be shown in one-column mode (default: `768`)

- `placeholder_class` - class for placeholder (default: `'grid-stack-placeholder'`)

- `vertical_margin` - vertical gap size (default: `20`)

- `width` - amount of columns (default: `12`)