appwrite/app/config/locale/templates/en.email.auth.invitation.tpl

<style>
    * {
        font-family: sans-serif,Arial;
        -webkit-font-smoothing: antialiased;
        font-weight: lighter;
    }
</style>

<div style="direction: {{direction}}">
    Hello,
    <br />
    <br />
    This mail was sent to you because <b>{{owner}}</b> wanted to invite you to become a team member at the <b>{{team}}</b> team over at {{project}}.
    <br />
    <br />
    Follow this link to join the <b>{{team}}</b> team:
    <br />
    <a href="{{redirect}}">{{redirect}}</a>
    <br />
    <br />
    If you are not interested, you can ignore this message.
    <br />
    <br />
    Thanks,
    <br />
    {{project}} team
</div>