Threejs camera with 2d element

Hello folk ,
if i have a 3d object in background and the threejs canvas is the back ground , the camera and the object move based on scroll, in this case the html elements which is above canvas is come from bottom because the THREE camera,
what can i do to stay in there position
for more explain
the effect that i don’t want like :
what i want : Meadlight presents: Principio is a fermented honey drink.