Key Takeaways Start with basic concepts like selectors, properties, and box model before moving to layouts.Use online tools ...

To use a third-party Web font you must add an extra block of code attaching the font's CSS to your theme. Copy the code from the font website and then paste the HTML code for the style sheet ...

Fortunately, Tumblr enables you to change the font size for your blog's text by giving you direct access to the raw CSS or Cascading Style Sheet code of your theme. Log in to your Tumblr blog.