widget width not increase, need help

try to resize the widget width but can't increase the width but height can able to increase. Can anyone help me out to resolve this.

resize-width

`gridsterOptions: IGridsterOptions = {

lanes: 100, // amount of lanes (cells) in the grid
direction: 'none', // floating top - vertical, left - horizontal
floating: true,
dragAndDrop: true, // enable/disable drag and drop for all items in grid
resizable: true, // enable/disable resizing by drag and drop for all items in grid
resizeHandles: {
  s: true,
  e: true,
  se: true
},
widthHeightRatio: 3, // proportion between item width and height
lines: {
  visible: true,
  color: '#afafaf',
  width: 2
},
shrink: true,
useCSSTransforms: true,
responsiveView: true, // turn on adopting items sizes on window resize and enable responsiveOptions
responsiveDebounce: 500, // window resize debounce time
responsiveSizes: true,
responsiveOptions: [
  {
    breakpoint: 'sm',
    // minWidth: 576,
  },
  {
    breakpoint: 'md',
    minWidth: 768,
  },
  {
    breakpoint: 'lg',
    minWidth: 1250,
  },
  {
    breakpoint: 'xl',
    minWidth: 1800,
  }
]

};`

swiety85 / angular2gridster

widget width not increase, need help #400