Using custom CSS, you can add a colored background to your posts without editing your posts in other ways and without changing the background of the rest of your blog's body. Log in to Tumblr and ...

WordPress' built-in editor has an HTML mode that lets you override the background color of a post by changing its CSS (Cascading Style Sheet) background-color attribute to the color of your choice ...

Even if you’re an expert web designer, there are plenty of obscure CSS properties you’re unlikely ever to use. In fact, with hundreds of supported properties, there are parts of CSS you’ll probably ...