Place your cursor over the post you want to change the background color of. Click the "Edit" link that appears beneath the post's title. Click the "HTML" tab above the post's editor toolbox.

There are several ways to change text color with CSS: inline, internal, or external CSS. How to change text color in HTML with inline CSS. This method is called inline because the CSS is placed ...

One of the statements in the CSS pane is "background-color," which determines the color of the header box. Type new values to replace those currently in the "rgb(59, 89, 159)" string.