How to Align Contact Form Checkboxes

Something like:

.wpcf7 input[type=checkbox] {
    margin-top: -3px;
}

?

Thanks.
How do I find these functions and keywords like “.wpcf7”?

thanks

Hello,
you should inspect the page looking for the right selectors:
https://doc.presscustomizr.com/customizr/browsers-dev-tools/

Hope this helps.