Center contact form send button and captcha in Zerif

Important notice: This product is now in maintenance mode and is no longer being actively developed or supported. Updates and bug fixes will not be provided unless they relate to security concerns.

Start off by installing the plugin   Advanced CSS Editor and in Appearance -> Customize -> Advanced CSS Editor add the following code to the Global CSS area:

.form_captcha_wrap{
width: 100%;
display: flex;
justify-content: center;
}

.contact_submit_wrap{
float: none !important;
width: 100%;
display: flex;
justify-content: center;
}

Save your changes and you should be done.