in Outlook and the others don’t have good support in general.</span>
        </li>
        <li class="mb24 lh-sm">
            Define color as <code class="stacks-code">#ffffff</code> instead of <code class="stacks-code">#fff</code> or <code class="stacks-code">rgb(1,2,3)</code>.
            <span class="d-block fs-body2 fc-light lh-md mt8">Six-digit hex is supported in inline CSS as well as HTML attributes like <code class="stacks-code">bgcolor</code> that are still supported in email.</span>
        </l