Use the MailTimers timer builder to create a new countdown timer that fits nicely into the design of your email.
Copy only this part of the paste code:
Select "Image" block and drag it onto your template.
Choose a image block or add new image block in your email layout and select Edit button.
Then click the Image URL tab to paste in your image URL.
Click "Preview" to see your countdown timer, then click "Insert" to embed it in your template.