How can I center my newsletter subscription form on both desktop and mobile?

Store Design
2

Hi @TBS2022

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

.footer__newsletter {
    text-align: center;
}

RESULT:

syedsumaimaly_0-1696424256691.png
syedsumaimaly_0-1696424256691.png420×274 11 KB

If I managed to help you then, don’t forget to Like it and Mark it as Solutions.