How do i change the size or position of a submit button

Question

I tried using
<input type="submit" value="submit" style="height: 30px; width: 100px" />
but there is no visible change in the size of the button

Answer 1

<input type="submit" value="submit" style="height: 200px; width: 150px; position: absolute; top: 50px; left: 100px" />
<!-- what you wrote is correct... -->

Answer 2

thanks a lot bro