Please follow these instructions carefully https://itch.io/t/1505008/locjamming-for-dummies (you must activate the scrollbars, and you could have the full layout if you upload a complete zip instead of the sole html)
Then click on this link https://itch.io/jam/309833/add-game/1113137?token=JBgcCZJr2CTozVRwdrQ5Xq66F90