First insert the trapezoid in the shape
Stack two trapezoids, right-click to set the background format, and set the gradient, and set 100% transparency above the gradient bar to create a three-dimensional effect
Then insert text
Then insert a rounded rectangle and set the gradient
You can right-click to edit the vertices, set the arc of the rectangular strip, and copy a few copies after setting
Then set the background of the slideshow to a gradient color.