Tools/materials: ASUS VivoBook 15x, win 10, word202 1.
1, click Design.
In the word document, after selecting everything, click the design menu bar.
2. Click the page border.
Click Page Border on the right side of the ribbon.
3, set the blue shading
In the Shading tab, select blue as the fill color, and then click OK.
Step 4 achieve results
Back in the document, you can see that the blue shading has been set.