If you’ve learned CSS from the ground up, you should have a good understanding of the box model. But if you’re unfamiliar ...

You don't need any HTML or CSS knowledge to do this. When you change the width of the template, the main content section of your blog will automatically re-size in relation to how you set the ...

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.