The effect that this article will implement is shown in the following illustration:
This gradient type of line is usually used as a split line, it looks good.
The implementation steps in PPT are recorded as follows:
Draw a straight line
Right-set Shape format, open dialog box, switch to Line Color tab
Select "Gradient Line" to select "linear left" or "linear to right" in the direction
In the gradient aperture, the default is three, which is equivalent to the three control points of the line. Set the control points on both sides to white and the middle control points to black.