1. Go to W4A Settings from the left menu here.
2. Or go to Settings from the Plugins page here.
3. Add the text you want to animate here.
4. Select line width and color here.
5. Text Box background is transparent if this is checked.
6. Or choose any Text Box background color, but uncheck transparency.
7. Choose Text Box border color and style here, or if you don't want any border, select Border Style: none.
8. Negative margin bottom means how much the animation box comes down and gets closer to the body text.
9. Do not forget to save everything.