Use CSS code to style your site headers with borders and other design elements. HTML and CSS use a box model, which means that page elements include margins, padding, background colors and ...

If your chosen Tumblr theme does not have built-in banner support, you can also upload a header to a third-party hosting location and insert the image using HTML code. Sign into your Tumblr ...

John Mueller from Google advises placing JavaScript code underneath the HTML element to ensure that search engines can clearly understand your website. To make sure that search crawlers can ...