Moody said: "Although applying some more common CSS rules such as display ... have to do is craft an email solely in HTML, changing the banner's background and font both to white, and voila ...

background, links and more. You can safely tweak your blog's design by using custom CSS code, as it will not alter your blog's core HTML design. Make any necessary changes to your blog's CSS code ...

Your Tumblr theme sets the background color ... box labeled "Add Custom CSS": Replace "yellow" with the specific color that you want to apply or with the color's HTML code. Click "Update Preview ...

jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code right inside your browser. A quick tour ...