Change the black background image to custom one

Map is being rendered properly but i want to change the black background image (Stars image) to custom one that i have created and placed in local folder and below the map div i want to place other div to display other content on my web page

Sandcastle link

Is this possible in Cesium.
Any Suggestions Please


This can be achieved using Cesium.SkyBox: SkyBox - Cesium Documentation

Pass it into the Cesium.Viewer like this: Replacing the background sky image in cesium app. - #2 by sean_lilley