Describe your issue here.

• version of gridstack.js AND if using HTML5 vs Jquery plugin (v3+) - DON'T SAY LATEST as that doesn't mean anything a month/year from now.
• which browser and its version

MUST provide a working demo (keep it simple!) and steps, you can use this as a base: https://jsfiddle.net/adumesny/jqhkry7g

Tell us what should happen

Tell us what happens instead