<div>
  <div class="nonzk-warning-content">
    <h2 style="text-align: center;">Not Zero Knowledge</h2>

    <p style="padding: 0 20px;">
      If you login with this mobile client, or via the website, your password will exist in the {{= s("SpiderOak") }} server memory during your browsing session. However, your password will be stored in encrypted memory and never written to an unencrypted disk. The moment your browsing session ends, the copy of your password is erased, with no trace left behind.
<br><br>
If you prefer to practice only Zero Knowledge access, only login via the  {{= s("SpiderOak") }} desktop client.
    </p>
    <div>
      <a class="button continue">OK, continue</a>
    </div>
    <div>
      <a class="button never-mind secondary">Don't login now</a>
    </div>
  </div>
</div>

<div>
  <div class="nonzk-warning-content">
    <h2 style="text-align: center;">Not Zero-Knowledge</h2>

    <p style="padding: 0 20px;">
      If you login with this mobile client, or via the website, your password will exist in the {{= s("SpiderOak") }} server memory during your browsing session. Your password will be stored in encrypted memory and never written to an unencrypted disk. When your browsing session ends the copy of your password is completely erased.
<br><br>
However, if you prefer to use only Zero-Knowledge access, cancel this login, and only login via the {{= s("SpiderOak") }} desktop client.
    </p>
    <div>
      <a class="button continue">Continue to login</a>
    </div>
    <div>
      <a class="button never-mind secondary">Don't login now</a>
    </div>
  </div>
</div>

Use "Zero-Knowledge" per emerging convention.
Use "Zero-Knowledge" per emerging convention.

Also, streamline some phrasing.
