Hi @TBS2022 & please marked the previous solutions as well.
Follow these Steps:
Go to Online Store Edit Code Find theme.liquid file or base.css
Add the following code in the bottom of the file above tag
{% style %}
form#newsletter-footer {
width: 95%;
}
.grid__item.footer__item--1494292487693 {
text-align: center;
width: 100%;
}
{% endstyle %}
If I managed to help you then, don’t forget to Like it and Mark it as Solutions