Centering - Click the center drop-down box, then click left or right in the resulting menu. Top or Bottom - Click the bottom drop-down box, then click top in the resulting menu. Repeat - Click the no repeat drop-down box, then click repeat XY, repeat X, or repeat Y. Size - Click the normal size drop-down box, then click fill screen or fit to screen.

For example, if you’re on the Chrome Theme Creator tab and you have Facebook open in another tab, the Facebook tab would use the selected image as its background.

For example, if you’re on the Chrome Theme Creator tab and you have Facebook open in another tab, the Facebook tab would use the selected image as its background.

For example, if you’re on the Chrome Theme Creator tab and you have Facebook open in another tab, the Facebook tab would use the selected image as its background.

If you want to darken or brighten the color, click and drag the slider on the right side of the pop-up box up or down.

If you don’t want to save your theme, skip this step.

You may have to click “Continue” in the bottom-left corner of teh Chrome browser if prompted.

If you don’t like your theme, you can revert it to the Chrome default theme by clicking ⋮ in the top-right corner of Chrome, clicking Settings, and clicking RESET TO DEFAULT to the right of the “Themes” heading, which is near the top of the page.