How do I make the comments box deeper?

I am trying to make the comments box deeper so it is not on one line.  Is this possible? 

I am not sure if I understand your query correctly. As I check your JotForm, I see that the comments text area is displayed in 6 lines. 

Could you provide us with more information that you are trying to achieve so that we can assist you help you further?

We will wait for your response. Thank you! 

Hello,
Thank you for getting back to me. I have managed to answer my own question. Thank you for your help though.
I am now trying to redesign the form as I need to create it as a ‘Contact us’ widget.
I have posted a question already, but I am trying to achieve the final look of rounded edges on the text boxes and text (such as name’) in the text box and not above it.
https://form.jotformeu.com/62793858195373
below is the example of what I am trying to achieve.
Instead of ‘Make an Enquiry’ it will say ‘ Contact us’.
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Great! Glad to see that you have fixed the issue on the form. The other questions related to the other issues will be addressed on the other threads shortly if not answered.

Let us know if you need any further assistance. We will be happy to assist.