Failed to center the Submit and Reset button

https://www.jotform.com/?formID=70208611384148#design

custom css insert the text-align: center does not help; nor the font-variant.

Please try inserting this CSS code in order to align the buttons to center.

#input_80 {
margin: 0 auto;
}

#input_reset_157 {
margin: 0 auto;
}

Here's a guide on How-to-Inject-Custom-CSS-Codes. Here's the result:

Let us know if you have any questions. Thank you.