Do you know... ... that you can change the text style of your text? ... that you can change your logo? ... that you can add text to a block that just has an image? ... that you can add round corners to an image? ... that you can add your own font to the text? ... that Helvetica is not a web-safe font and shouldn't be used as fallback font? ... where you find your header/footer content? ... that you can change text in header/footer? ... that you can change the style of your bullet in the bullet list blocks? ... that you can change the width and color of the divider in the divider block? ... that you can change the width of your header/footer? ... how you can find out if your header/footer comes from Skins? ... that you can overwrite text style with CSS e.g. when you want a smaller font size for mobile devices? ... that Outlook does not like CSS and therefore, things like round corners on button or images or your own font won't be visual there? ... how to add space to your preheader so the mail content is not visual in the preview? ... how to add a different link to a social media icon in a project? ... that gmail removes punctation in preheader text?