How to move the rounded corners in the x-coordinate/axis ?

Question

when I write the code of the rounded corners it is shown in the top right side of the screen and I want to move it the right and bottom but I can't

Answer 1

Try this.
HTML:
<p>Hello </p>
CSS:
p {
border:1px solid black;
border-radius:5px;
text-align:center;
margin-top:400px;
}
If this doesn't works, let me know.

Answer 2

Can you specify it by writing more details about it?

Answer 3

IT WORKED MR.BIRAJ PATEL
REALLY THANK YOU