Writing CSS Code for a Tumblr Background Color

If you only need to make minor changes to your blog's style, such as a background color change, Tumblr's advanced customization features allow you to add on to your blog's existing CSS.

1. Log in to Tumblr.

2. Click the "Customize" link on your Dashboard.

3. Select "Advanced."

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4. Enter the following code in the field for "Add Custom CSS."

body {

background-color: red;

}

5. Replace "red" with your desired background color.

6. Save your changes.