Hello M. Alaei,
Please copy and paste the following CSS code into XStore >> Theme Options >> Theme Custom CSS >> Global CSS, then clear your browser cache to view the changes:
.tnp.tnp-subscription-minimal.et-mailchimp.dark.classic-button form input.tnp-email {
border-radius: 100px !important;
border-width: 0px !important;
border-right: none !important;
background-color: #fff !important;
border-color: #e1e1e1 !important;
color: var(--et_dark-color) !important;
max-width: 100% !important;
height: 40px !important;
width: 70% !important;
box-sizing: border-box !important;
padding: 10px !important;
display: inline-block !important;
font-size: 14px !important;
line-height: 20px !important;
}
.tnp.tnp-subscription-minimal.et-mailchimp.dark.classic-button form input.tnp-submit {
border-radius: 0px 90px 90px 0px !important;
background: #F4F4F4 !important;
font-family: 'Roboto' !important;
text-transform: none !important;
font-weight: 700 !important;
font-size: 14px !important;
border-left: none !important;
color: var(--et_dark-color) !important;
border-color: #e1e1e1 !important;
border-style: solid !important;
width: 29% !important;
box-sizing: border-box !important;
display: inline-block !important;
padding: 10px !important;
border: 1px !important;
text-shadow: none !important;
}
We hope your issue will be resolved.
Best Regards,
8Theme’s Team