How can I fix my buttons?

I increased my font size on my forms and it messed up my submit buttons. 

Are you referring to this form (https://www.jotform.us/form/82047875472162)?

If yes, then please insert this custom CSS code:

.form-all .form-submit-button {
width: 110px;
}

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

Hope that helps. Thank you.