1. This is actually just a fun effect. I personally think it is useless. The background effect is shown in the following figure:
2. Now let's start: Click "format-background-no fill color" on the menu bar to remove the background color.
3. We can see that there is another background color. This background color is highlighted under the word. To delete a background color, follow these steps:
4. Click "highlight" in the toolbar, find the background text to be deleted, and click "none", as shown in the following figure.
5. Finally, there is a background color called character shading, which is similar to the highlighted background, so it is easy to confuse. Generally, if the method above cannot delete the background color, we need to try the following method. By default, the system is gray. If you see this background color, you cannot delete it using either of the following methods.
6. Select the text of the background color to be deleted, and click the [character shading] button on the toolbar, so that the text shading disappears.