how can i custom container?

[binvb]

i want to custom the container which would mount component, e.g.

// myComponent's parent node need to set height: 100px;
mount(myComponent, {
  props: {}
})

i can't find any command can do this?
thank you

[binvb]

i try to modify component.html like this:

  <style>
    #__cy_vue_root>div {
      height: 1000px;
    }
  </style>

it works. thank you guys