# Design & Layout

- [Best practices to compose an email template](/guides-and-best-practices/message/email/design-and-layout/best-practices-to-compose-an-email-template.md): When sending out a marketing e-mail, the main goal is to optimize engagement: here are our guidelines for the most efficient email content.
- [How to create an email banner?](/guides-and-best-practices/message/email/design-and-layout/how-to-create-an-email-banner.md): Learn how to create email banners using our Email Composer.
- [How to add a background to your email?](/guides-and-best-practices/message/email/design-and-layout/how-to-add-a-background-to-your-email.md): Find out how to build consistency in your email design.
- [How to optimize your email designs for dark mode?](/guides-and-best-practices/message/email/design-and-layout/how-to-optimize-your-email-designs-for-dark-mode.md)